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Nothing has been said respecting the price of provisions either in Hudson or Manchester; but we believe we are perfectly safe in setting that, at this place, down at one-half. However, as we have no certain data by which to make the comparison, we will quote a part of the Pittsburg prices, which are very near the same as those of Kittanning.

Butter 6 a 7 cts.; cheese 5 a 6; candles 9 a 10; coffee g. in bags 16 a 18; cotton 8 a 9.

Copperas 34 a 34; flour $3 p. bbl.; wheat 45; barley 40; rye 31; corn 31-plenty.

Onions, bush. 50 a 75; pork 23 a 3; potatoes 40; sugar N. O. lb. 7 a 8; country do. 6; lump 16 a 17; loaf 17 a 19; tallow, (ren,) 8.

Beeswax 23; whiskey, old, gal. 28, new 19,

As to facilities of transportation, no section of the Union is superior to this. Situated at the head of steam boat navigation, and also near the great Pennsylvania canal, and the almost certain prospect of the Allegheny becoming the channel by which the Canal and the Ohio river will be united with Lake Erie, it will at once command the trade of the east, the west, and the north; cotton can be brought from New-Orleans, Alabama, or Tennessee, at from 3 to 1 cent per lb. and delivered at the factory. When manufactured, it can either be put into the steam boats and sent westward or northward, or upon the canal and be sent eastward, or thrown into the Pittsburg market. Drugs can be procured here as cheap as in the eastern states; and certainly wages are as low.

It is one of the simplest positions in the world, that if a man can erect the buildings, procure the raw material, fuel, provisions, &c. at 40, 50, or 60 per cent. less price than his neighbour, his profits will be proportionably greater, or otherwise he can dispose of the manufactured article proportionably lower, This, we believe, we have satisfactorily shown, would be the case in the coal district of the Allegheny river.

Almost any species of the manufacture could be prosecuted here to the greatest advantage, but especially such as require much power or fuel. No place could be better adapted to the manufacture of glass than this, on account of the cheapness of fuel, and the abundance of the best sand. (see Geddes's Report.) Our hills are filled with iron ore, and thickly covered with timber; consequently this is a profitable business, especially as there very little expense attending its transportation to market.

is

every buckett to the number of one hundred, provided they are equally good with the sample he now offers, & well painted with oil colours.

Edward Nicholls now applying to the board for leave to make a vault before his house at a corner of Chesnut street, the board upon the sd application do allow the sd Edward Nicholls to make a vault paying twelve pounds p ann. as a rent or acknowledgment to the cor, poration.

Isaac Norris & Daniel Radley are desired to get the common shore near the bridge in Second st. immedi diately repaired.

4 July, 1730.-T. Griffiths, Mayor.

The Mayor acquainted the board that the two ffire engines, and two hundred and fifty of the ffire buckets, which were sent for to England, are lately brought over, and desired the board would consider of proper places, not only to keep them from the weather, but also for the conveniency of speedily carrying them upon any accident of ffire. The board having taken the same into consideration, are of opinion, That one corner of the great meeting house yard will be a proper place to lodge one of the new Engines, the other new engine, at the corner of ffrancis Jones's lott, which ffronts the ffront st. & Walnutt street, and the old Engine in a corner of the Baptist meeting house yard (if leave can be obtained,) and that the bucketts be hung up in the court house.

17 April, 1732-C. Hasell, Mayor.

The board taking under consideration the frequent & tumultous meetings of the negroe slaves, especially on Sunday, Gaming, Cursing, Swearing & committing many other disorders, to the great terrour and disquiet of the inhabitants of this city. In order not only to prevent such meeting & disorders for the future, but also to prevent children & white servants meeting in such great numbers on the sd day to play games & make disturbances & noise in the city, It is by this board, thought necessary that an ordinance be forthwith drawn & prepared to prevent the same.

18 Aug. 1732.

The Mayor acquainted the board that the Hon. Thos Penn, Esq. one of our proprietors, being lately arived in this city, He thought it the duty of this board to give him a handsome welcome by providing a decent collation to entertain him at the expense of the corporation, to which the board unanimously agreed, & the time ap pointed is on Monday next at the Court-house, & the Mayor & Recordr. are desired to give the invitation to the Proprietor, Govr. & such gentlemen as they shall think proper to invite, & the Mayor & Aldn. Griffiths are appointed to make proper provision for the said En

29 Octr. 1733.-A Memorial from the Monthly Meeting of friends being read, It is ordered that a former or der for preparing an Ordinance for the regulating of ne groes & white servants within this city be further putt in execution, & that the person appointed for drawing it, produce the same at the next Council, that the same may be settled and passed.

The climate is delightful and remarkably healthy; here are no burning fevers or chilling agues to undermine the constitution, and check the ardour of enterprise and industry. All the necessaries of life are cheap and plenty; the country is rapidly populating and improv-tertainment.* ing. Here the great artificial channels of navigation meet the waters of the Mississippi, whose immense valley will soon be filled with inhabitants; and through these channels will those inhabitants seek a market. Here three of the most valuable minerals are found in exhaustless quantities: iron, coal and salt. Here may man enjoy all the blessings of life, and all the comforts of civilization; and here, eventually, will be the key-stone between the east and the west. View this country in 25 Nov 1734-The Mayor exhibited to the board an what light you may, you will see the foundation of great-acct. amounting to £9. 18. 6. he had paid to John Newness and wealth. It is impossible that it can long escape the attention of capitalists and men of business: the canal passing through it will bring it into notice, and this is all that is necessary.

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17 Octr. 1734. T. Lawrence, Mayor.

burry for the Entertaining of Coll. Montgomery late Gov. of New York.-The board having taken sd. acct. into consideration do order that the Treasurer of ye Corporation do pay the Mayor the sd. sum.

28 July 1735-Edward Woolley exhibited an acct. amt. to ten shillings & six pence for work done to the tables & benches in the court house at the time of the entertainment of the proprietor. It is ordered that the treasurer pay the same.

8 May, 1736-W. Allen, Mayor.

20 Sepr. 1737.-The Clerk of the Market now Ex

*The same proceedings as above took place at the arrival of the Hon. John Penn, Esq.

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hibiting to this Board a Complaint of several Nusances that are at present in the Market by persons blowing of Meat, selling Goods, bringing Empty Carts & lying of horses in the Market place, The Board refer the said Complaint to the said Committee to Consult of proper measures to be taken for preventing the like Nusances for the future.

8 Aug. 1737-C. Plumsted, Mayor.

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clamation for that purpose was ordered to be drawn, & that the same should be published in the City by the Beadle.

ATHENEUM.

Extracts from the Report of the Directors, read February 4, 1828.

Alderman Roberts, Israel Pemberton & Joseph Paschal are appointed to get the part of High Street over Without attempting any comparison between this and the Swamp called Centre Swamp repaired, & an Arch other institutions, we may claim for the Athenæum that made about two feet wide to carry off the Water & ait unites great attractions of amusement and information, Causeway of Seventy feet wide with good ditches of each side & have the same completed with all expedi

tion.

which are dispensed in a manner that studies to consult every interest and disposition, during fifteen hours of every day except Sunday. The ample, airy, well light29 Augt. 1737.-Alderman Morris & Israel Pember-ed, and well warmed apartments of the Athenæum, situton, two of the Persons appointed at the last Council to ated as they are in the centre of business, and on one of get the Arch made over High Street at ffourth Street our most beautiful public squares, are sufficiently well have prepared now to continue the said Arch along ye known to our citizens. But it may not be unprofitable sd ffourth Street until the Water ffalls into the Lotts of information for our members and the public, to state Anthony Morris, & to pave the same, it being about two that in the northern room there are regularly received hundred feet, if they can have the Liberty of getting Vo and filed 81 American newspapers, of which 22 are publuntary subscriptions & twenty-five pounds paid, the lished daily, 12 twice a week, and 47 once a week; bemost of the Money which may hereafter be raised by a sides two daily and two weekly British, and three daily Tax, which proposal being Considered was agreed by French newspapers, and one weekly paper published in German in this city. In the same room are many volumes of newspapers in regular series, some of them commencing with and illustrating the earliest periods of our history. In the southern room are regularly received 41 literary and scientific journals, of which 18 are published in the United States, 20 in Great Britain, and 3 in France. On the shelves may be found, and may be consulted at any moment, a library of current litera ture, exceeding in number 4000 volumes.

the Board.

5 June 1738-T. Griffiths, Mayor.

The Mayor and Comonalty met in Council this day in order to wait on the Hon. Coll. George Thomas, our Gov. who arrived in this Government on Thursday last, to congratulate him on his safe arrival.

3d July 1738-The Mayor acquainted the Board that several of the Barbers of this city had applied to him to take proper measures to prevent persons Exercising that trade on the first day of the week called Sunday, and the Mayor desired the opinion of the Board what measures would be proper to take for preventing that practice for the future. The Board having taken the same into Consideration do Order that notice sh'd. be forthwith given to all persons exercising the sd. Trade within this city to forbear following the Imploy on the sd. day or that the Law of the Province for restraining persons from working on the first day of the week should be strictly put in Execution against them.

A Draught of an Ordinance for the better regulation of the more Effectual suppressing Tumultuous meetings & other disorderly doings of the Negroes, Mullatos, & Indian servts. & slaves within this City and Liberties thereof was read and several amendments made and it was ordered to be left to the further Consideration of the Board at their meeting.

13 Oct 1740-C. Hassell, Mayor.

The Board now took into Consideration the placing of moving Stalls on the East side of the court house as far as Letitia Court and there being formerly a model prepared by a committee, appointed by the Board for that purpose, and the Winter season of the year being far advanced so that the same cannot be paved-It is the opinion of this Board that the Middle of the Street from the Pillory to the sd. Letitia Court be forthwith posted and gravelled to the Breadth of Twenty foot.

18 June, 1741-C. Hassell, Mayor.

There are also in the rooms, more than sixty maps, some of them very rare, and the best Encyclopædias, Gazetteers, and other works of reference and authority. It ought not to be omitted that strangers are admitted to the free use of the rooms, on the introduction of a member. From a record kept in the room, it appears that more than 1000 strangers were introduced during the past year.

Thus furnished and conducted, it is believed that this Institution is entitled to a continuance of the public favour, and we may hope to an enlargement of its list of members corresponding to its capacity for increased usefulness.

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Of which were for purchase of books, $695 43;newspapers, $335 60; postage $110; rent, 500; oil and candles, $171 59; wood and coal, 105 13; librarian's salary, $600; commissions $122 80; incidental $102 22. Directors.

Roberts Vaux, Thomas I. Wharton, George Vaux, William Smith, Jacob Gratz, Wm. Lehman, Quintin Campbell, Benjamin Tilghman, John Vaughan, Clement C. Biddle, Peter S. Duponceau, Edward Ingersoll, John M. Scott, James S. Smith, Samuel Norris.

HISTORICAL ANECDOTE.

The Board having taken into consideration the Cur- There stands to this day, near the river Susquehanna, rency of the English Halfpence and the Disquiet that is in the borough of Harrisburgh, the trunk of a mulberry among the Inhabitants, occasioned by some persons re- tree, that flourished in full vigour, when William Penn fusing to take them, as was lately agreed at a Meeting first arrived in the Delaware. At the foot of this tree of the Merchants & others, & should the same be Low- there is a grave, surrounded by a board fence. It is the ered as Intended by some at Eighteen to the shilling, it sepulchre of the father of the founder of the present seat would be a means of having them carried out of the Pro- of government of Pennsylvania. He came to America vince, & persons trading would be at a loss to make soon after Penn. He was a Yorkshireman by birth, and small change. The Board thought proper that a De-in humble life; and it is said assisted to clear away the claration should be made publick by the Board, that the wood, grub the stumps, and open the streets of Philasd halfpence shd be taken at fifteen to the shilling, which delphia. Being an enterprising man, he soon became is adjudged to be nearest to such value, as might dis- an active pioneer, and with the fruit of his industry comcourage too great a quantity being Imported, & at the mencing a trade with the Indians, penetrated by degrees same time prevent their being carried away, & a Pro-to the westward, until he reached the Susquehanna, on

the left bank of which river he built himself a cabin, and sat down permanently at the very spot where the town of Harrisburg now stands.

Here he deposited his merchandise, and opened a profitable commerce with his red neighbours, who were numerous about the Paxton creek, and had several villages in its vicinity, along the Susquehanna shore. Mr. Harris acquired the friendship of most of these tribes, receiving their peltry and other objects of Indian traffic, for his ammunition and rum. This led to an active exchange of commodities, and gradually enabled him to purchase the land adjacent to his establishment, and to undertake considerable agricultural improvements.*

The majestic Susquehanna, nearly a mile broad, flowed in front of his hut, while along its high banks nothing was to be seen but one dark mass of woods, reaching to the summit of the lofty hills that bounded the view in every direction. In the bosom of this wilderness Mr. Harris's family was located, and here was born Mr. John Harris, who, in the year 1785, laid out Harrisburg, and who was the first white child born to the west of Conewago creek.

In this state of things, it happened one day, that a number of his Indian customers, who had been drinking freely, called for an additional supply of rum. On Mr. Harris's refusing to gratify them, they dragged him from his hut, and bound him to that very mulberry tree, at the foot of which he now lies buried.

Here they declared to burn him alive, and bade him prepare for instant death. Dry wood was gathered and fire held in readiness to kindle it; the yells of the exasperated savages echoed along the shore, while with demoniac gestures they danced around their victim. Death in its most cruel form was before him, and bereft of hope he gave himself for lost. In vain did he supplicate for mercy, and offer every thing in exchange for life; deaf to his entreaties, and determined on his destruction, they declared he should die. The fire was brought to the pile, and about being applied, when a band of friendly Indians, in numbers sufficient to rescue him, burst from the woods and set him at liberty.

These Indians were led on by a negro man named Hercules, a slave belonging to Mr. Harris, who at the first alarm ran to a neighbouring tribe to beg for succour, and now brought it to his master's relief. The deliverance was well timed. A moment's delay would have been fatal. The presence of mind, the decision, the speed of this negro alone saved the respectable Mr. Harris; and so sensible was he of the great service rendered to him by this poor slave, that he instantly emancipated him, and the descendants of the worthy Hercules now reside at Harrisburg, and enjoy their freedom so nobly won, in the bosom of the large community who occupy the ground on which the occurrence took place.

Wherever this story is related, let the virtuous African share largely in our praise and admiration.

An escape so providential was suited to make a deep and lasting impression on the mind of Mr. Harris. Pious and grateful feelings fastened on the heart. It was a signal deliverance; it was a manifest evidence of God's merciful interposition. Struck with this conviction, Mr. Harris, in order to perpetuate the memory of it among his own descendants, directed that at his death his body should be deposited at the foot of this mulberry tree; and there it lies, a memento at once of savage ebriety,

domestic fidelity, and above all of the watchfulness of Him "who alone can inflict or "withhold the stroke of death."

It may not be irrelevant to mention a few statistica. facts illustrative of the change that has taken place, since the date of the foregoing adventure, on the spot to which the narrative refers.

Mr. John Harris, son of the subject of this communication, founded a town on his patrimonial estate, in 1785, which he called Harrisburg; and built an elegant stone mansion where the hut had stood, and about one hundred and fifty yards from the celebrated mulberry tree. Harrisburg, now the seat of the State government of Pennsylvania, contains a population of nearly four thousand souls. It communicates with the opposite shore by a covered bridge nearly a mile long, erected by the State and individuals at an expense of 195,000 dollars. The public buildings for the accommodation of government are very splendid, and cost 252,000 dollars, and were paid for out of the State treasury.

This borough is the county town of Dauphin, and contains six churches, two of which are handsome, and were constructed by Mr. Hills, an architect of taste and science. There are four hundred dwelling houses, and a probability of a great increase, when the Pennsylvania canal shall be finished, for that useful work will pass through the town. The court-house is a spacious and convenient building. A theatre was erected a few years ago, but rather prematurely. The borough has considerable trade, and sustains a Bank in good reputa tion.

SAMUEL BRECK,

Of the County of Philadelphia.

P. S.-The foregoing narrative was submitted in substance to the inspection of Mr. Robert Harris, and declared by him to be correct.

* Since the date of Mr. Breck's communication, a Ro

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man Catholic and a Methodist church, both very neat buildings, have been added to the number. er is indeed an exceedingly pretty edifice and is erected on a handsome site about midway between the State house and the river. A new front to the Presbyterian church, which was formerly destitute of architectural beauty, has greatly improved its appearance. The churches in Harrisburg are now the following, viz.Two Methodist, an Episcopalian, a Presbyterian, a Lutheran, a German Calvinist, a Roman Catholic, and an Unitarian. Mem. Penn: Historical Society.

Apprentices Library.

The average number of boys using the Library during the past year, exceeded 600, being considerably greater than at any former time. The new applicants during the same period amounted to 612, and those now using the Library 778. New members elected since last report 19. Receipts $550 25, expenditures 561 02.

Weather-On Monday last it commenced snowing early in the morning, and continued to snow during the day; notwithstanding the ground was unprepared by the rains of the previous day, to retain it, the depth of snow

was several inches. There was also snow at Harrisburgh.

blished a new post office at Penn township, Philadel New Post Office.-The Postmaster General has estaphia county, and Jeremiah Hukill, esq. has been appointed post master.

We learn from some of Mr. Harris's descendants, that he had, previous to his emigration, worked as a brewer in London, and that he brought with him to this Printed every Saturday morning by WILLIAM F. GEDcountry sixteen guineas, which was the whole of his pro- nes, No. 59 Locust street, Philadelphia; where, and at perty. His first purchase of land on the Susquehanna the EDITOR's residence, No. 51 Filbert street, Subscripwas a tract of five hundred acres from Edward Shippen, tions will be thankfully received. Price five dollars per for which he paid £190. The deed is dated 19 Dec. annum-payable in SIX MONTHS after the commencement 1733. Mr. Harris was the first person who introduced of publication-and annually thereafter, by Subscribers the use of the plough in the neighbourhood of the Sus-resident in or near the city-or where there is an agent. quehanna. Other subscribers pay in advance.

THE

REGISTER OF PENNSYLVANIÁ.

DEVOTED TO THE PRESERVATION OF EVERY KIND OF USEFUL INFORMATION RESPECTING THE STATE.

VOL. I.

EDITED BY SAMUEL HAZARD, NO. 51, FILBERT STREET.

PHILADELPHIA, APRIL 26, 1828.

CHANGES IN THE RIVER DELAWARE.

IN 1820 a survey of a section of the river from one mile below Chester to Richmond, above Philadelphia, was made by David M'Clure, by order of the city councils. From the interesting Report which he made to them, and which was published in a pamphlet form, we have made the following extracts, exhibiting the changes in the river which had occurred in the twelve or fifteen years preceding the survey.

Considerable changes have taken place in the river, since the last twelve or fifteen years. The island called Gibbet Island, formerly opposite the mouth of Schuylkill, is entirely swept away: the fragments thereof seem to be scattered down the river, and to have formed a considerable flat.

Bush Island, formerly situated opposite Red Bank, has shared the same fate: the ground on which it stood, and for some distance below it, is considerably irregular and uneven. At both ends of Chester Island, the flats seem to be increasing rapidly.

NO. 17.

between the north end of Tinnicum and the Pennsylva nia shore, not exceeding two or three feet deep at low water, on which several small vessels grounded while we were surveying in that vicinity. A communication of the existence of this shoal was immediately made, and a rough draft of the same forwarded to Joseph S. Lewis, Esq. chairman of the committee appointed to superin tend the survey, who reported the same to the proper authority. The buoys were accordingly directed to be placed in a proper position to designate the shoal, which

has since been done.

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The pier opposite fort Mifflin, formerly called Davis' pier, now known by the name of Gaines' fort, was sunk in the year 1777, in eighteen feet at low water. To this pier is attributed the formation of a long bar, which extends upwards of a mile down the river, and has proved very injurious to our navigation.

The water seems to be undermining this pier very rapidly; and, unless something be speedily done, it will It is remarkable, that where a narrow channel is found inevitably be thrown over into the river. In the year existing between an island and the main shore, the pas-1813, under the direction of the master warden of this sage which opens up the river is shoaling, while the port, ten or twelve shallop loads of stone were thrown depth of water increases down the channel. This is the around this pier, for the purpose of preserving its safecase in the passage between Shivers' Island and the Jer-ty, for which fears were then entertained. seys, between Monnis Island and the Jerseys, between Tinicum Island and Pennsylvania, between Hog Island and Pennsylvania, between League Island and Pennsylvania, between Wind Mill Island and the Jersey's, between Petty's Island and the Jerseys. This circumstance seems universal, and consequently admits of a philosophical investigation: it is deemed improper to enter upon it in this place.

A caution naturally presents itself to those who may attempt passing through an inside channel from below, without a knowledge of the same. The depth of water which first presents itself may seem to intimate a chanfel of more than sufficient depth; and the unwary may Be led on to a considerable distance, and almost to the upper end of the channel, before they find themselves entrapped by the shoal water.

the fort in the rear.

A considerable change has also taken place between Hog Island and the Pennsylvania shore. Formerly, there existed a considerable channel in that place; and it is well known, that during the revolutionary war a large British ship passed up that channel, and attacked At present, it can be forded at low water. The soldiers often desert, and ford this channel, a little below the fort, at low water. Between Maiden Island, particularly towards the north end and the Pennsylvania side, a considerable change has taken place.

That interesting part of our navigable waters, a little below fort Miffin, and known by the name of the Bar, is subject to many changes. On taking the survey, it was found that the lower buoy was not situated in the most eligible place, owing to a change that had occurred during the preceding two or three months. The lower buoy is now removed considerably further up, so that the two buoys are very near each other.

It was also found that a considerable shoal had formed

At one of the corners towards the Jersey shore, there are now, at low water, twenty-eight feet; which is necessarily from eight to ten feet below the foundation of the pier. The soundings around the pier are exhibited in the map.

Between the upper end of League Island and the Pennsylvania shore, the bed of the channel is entirely exposed at low water.

A considerable change has also taken place in the shoal or bar which exists at the north end of Wind Mill Island. In the year 1777, a map was published by Mr. Scull, the then city surveyor, in which this bar is represented to be joined to the Jersey shore, at the point a little above Cooper's ferry.

One proposition it is of importance to notice; and that is, that wherever the water is impeded in its motion, and brought into a state of rest, or made to form what is called an eddy or counter current, there the sediment will be deposited, and the place become shoal. This will be the case where the wharves, piers, or wrecks, exist; or where a creek, sending its waters across the channel, checks the velocity of the ebb tide on the shore below it; or where a creek, taking in the water on a flood, checks the velocity of the flood tide above. is, that at the mouth of creeks we generally find flats.

Hence it

the flats. This may readily be accounted for, from the It is remarkable that the Jersey shore has almost all circumstance of the soil being more fragile and sandy, and less tenacious, than the Pennsylvania shore.

Any obstruction in the river, has a tendency to change its direction; and it is worthy of notice, that the current on the ebb is so directed by the piers below the fort, known by the name of the Boom piers, that it seems to take an oblique course immediately between the two' buoys designating that part of the bar where the channel exists. It is probable, that if an improvement be

made on these piers, by presenting an oblique side to the current, it may have the happy effect of throwing a larger quantity of water across the river, and thereby deepening the channel on the bar,

There is no doubt that the ebb tide gives the river its particular character and direction, since much more water passes down than up the river. It is on this account chiefly, that so great an inequality exists between the times of the ebbing and flowing of the tides; the former being about seven, the latter only five hours.

Bold banks are most exposed to the fury of a violent current; while flats, especially when covered with grass, subdue the rage of a current almost into a calm.

The winds have a tendency not only to give the current velocity, but also direction. Many artificial banks have been prostrated, by a strong wind directing the current against them. The banks of Hog island sometimes suffer much from the north-east gales.

At the north-east end of this island, we found the proprietors engaged in making a new bank, in the rear of one which, in consequence of its being a little prominent, had frequently been almost prostrated before the north-east gales; and which was now deemed insufficient to stand those gales any longer. The old bank was surveyed, and the new one laid down.

It would be an important improvement to these banks, to build them with a considerable declivity on the river side, so that the violence of the waves and current would thereby be much broken.

At the upper end of Hog island, in consequence of the vast accumulation of ground recently made, the proprietors were erecting banks that will enclose at least fifty acres, and on the same place over which large sloops formerly sailed, at high water. As these new banks were nearly completed, they were surveyed, and no attention paid to the old ones, as they will hereafter fall entirely within the boundaries of the island, and may perhaps soon be obliterated.

The small shoal that exists between Tinnicum Island and the Jersey shore, nearly opposite to Mr. Lodge's dwelling, was formed from a pilot boat which was sunk a number of years ago.

The remains of the British frigate Augusta, whose history is well known, he at present in about six feet depth, at low water. The sand and mud have accumulated around her for some distance, and formed a considerable shoal, in which she is nearly buried. While we were surveying in the vicinity of that place, three or four eighteen pounders were grappled up from the wreck, by men whose subsistence depends on that business. The cannons are perfectly free from rust, and are supposed to be in as good condition as they ever were, after having lain in the water upwards of forty

years.

More than ordinary attention was bestowed on that part of the survey which is immediately within the vicinity of the contemplated bridge. The direction of the current, its tendency to produce an effect, its velocity in ebbing and flowing, the depth and nature of the bottom, were taken with scrupulous exactness. ebbing and flowing of the tides make first in this place, as is usually the case in the shoaler channels.

The

The velocity of the current in this channel is much inferior to that of the western channel; and, as a vertical section of the latter, in the narrowest place, is more than three times as great as the former, it must of necessity convey the great mass of water in the ebbing and flowing of the tides.

The eastern channel has throughout a depth of twelve feet at low water, and in the narrowest part has a breadth of four hundred and fifty feet, commanding a depth of ten feet at low water.

This channel may be navigated, at high water, by our ships drawing fourteen feet. Our pilots are generally ignorant of the nature of this channel; and on extraordinary occasions only would they be induced to prefer it

especially as it terminates above that part of the city where the shipping generally lies.

Sloops often use this channel to an advantage; and, in contrary winds, and near high water, can tack more than three-fourths of the distance from shore to shore. A vessel coming up to Philadelphia, with the wind from the west, and the tide ebbing, may pass up this channel, and arrive at the city, when such arrival could not be effected by the western channel. Similar advantages are afforded to a vessel descending the river.

this channel as the more direct course; and, should there Vessels bound above the city from below, may take be an ebb tide, they will have less current to encounter than in the western channel. Vessels descending the river will have similar advantages.

A strong westerly wind drives the great mass of ice into this channel, and relieves the western side. A contrary wind produces a contrary effect. Each channel has been used by turns, as they have been thus cleared of ice.

The water, on the ebb, coming out of Cooper's creek, throws the current over near the flats on the south end of Petty's island, and has a direct tendency to check the water from flowing freely down this eastern channel.

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The bar opposite Philadelphia, and at the north end of Windmill island, has undergone one of the greatest changes, during the last year, that was ever known. On the 16th of January last, a storm from the east broke up the icy fetters in the river. On the 17th the wind blew strong from the southward; and the tide rose higher than it had done for a considerable time previous, inundated many of the wharves, and covered them with drifting ice. Shortly after the flood had set in, a large body of ice was collected on the bar, nearly opposite Arch-st. to the height of nearly twenty feet, in the short period of about ten or fifteen minutes, and continued there a number of days. There can be no doubt that this bed of ice was instrumental, in connexion with the drifting ice, in producing the great change that followed.

The wreck lying on the east side of the island, last year, was on a line with the south edge of the wharf since which, it has been removed in a line with the north edge of the wharf. It is highly probable that this change of position has promoted the change of the bar in that vicinity.

The bar, a short time since, was surveyed, in order to ascertain the precise change that has taken place since last year. Agreeably to the recent survey, taken on the 20th of July 1820, it appears that the channel of last year is now converted into a bar, and the bars of last year into channels.

On the ebb tide, particularly towards the close, the tide runs with considerable strength across the bar towards the Jersey shore. This was also found to be the case on the bar north of Davis's pier, opposite fort Mifflin.

Soundings of the River Delaware, from the same. The following is a list of the soundings, in feet, at low water, at some of the most important parts of the river, taken at right angles across from shore to shore. They are obtained from the map,* at certain equal distances apart; so that the relative situation of each depth is readily found, by dividing a line into one part more than the number of soundings, and annexing to each point of division the depth in the order exhibited in each line.

From Richmond to Petty's island, 10, 15, 10, 9, 18, 19, 20, 21, 20, 15, 11, 14, 12.

In the direction of Richmond, from Petty's island to Jersey, 12, 16, 20, 24, 22, 14, 8.

Delivered to Councils with the Report, and not printed.

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