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a plan of improvement was adopted which provides for obtaining for the lower Cahaba River, from its mouth to the town of Centreville, a distance of 88 miles, a navigable channel with a width in open river of 100 feet, and in soft rock and bar cuts of 60 feet, having a depth at low water of 3 feet, by the removal of snags, etc., from the channel and overhanging trees from the banks, by cutting through the soft rock and gravel bars, and by contracting and regulating the channel.

The expenditure up to June 30, 1886, of $28,989.79 had resulted in the partial improvement of the river from its mouth to Centreville, adapting it to high-water navigation; but, on account of the obstruct ing railroad bridges, steamboats were unable to make any use of the improved river. Since that time no work has been done, because of a proviso in the river and harbor act of August 5, 1886, that

No part of said sum ($7,500 appropriated for this work) shall be expended until the olicer in charge shall have reported that the railroad and other bridges across said river have been provided with good and sufficient draw openings.

These bridges continue to obstruct the navigation of the river, not having been provided with draw openings.

The act of September 19, 1890, provided that: The existing provision restricting the expenditure of thebalance now available for the improvement of said river is hereby repealed, and said balance shall be expended in continuing the improvement thereof.

Under this act $3,506.56 was expended up to June 30, 1891, inthe examination of the river in November, 1890, and in the partial construction and equipment of a light-draft log boat (to be used in the work on the river), which was nearly finished at the close of the fiscal year.

During the fiscal year ending June 30, 1892, $4,184.02 was expended in finishing the log boat, and in snagging operations.

The river was found to be so badly obstructed that with appropriations only sufficient for maintaining one working party, several seasons will be required to open the river for any useful navigation.

It is reported that previous to the building of the Alabama Central Railroad Bridge (21 miles above its mouth) several steamboats went up as high as Centreville, and brought out cargoes of cotton. In 1849, when the bridge was completed, navigation by steamboats ceased until 1880, when an attempt was made by a small steamer to navigate the river; she proceeded as high as Centreville, obtained a load of cotton, but on her passage down became disabled and capsized.

Under the provisions of the act of September 19, 1890, and by direction of the Secretary of War, notice dated April 11, 1892, was served on the proper officials of the East Tennessee, Virginia and Georgia Railroad, and Birmingham, Selma and New Orleans Railroad Company, respectively, to provide their bridges crossing the Cahaba River with suitable draw openings by January 1, 1893. July 1, 1891, balance unexpended..

$1,263, 79 June 30, 1892, amount expended during fiscal year

4, 184. 02 July 1, 1892, balance unexpended..

79.77 July 1, 1892, outstanding liabilities

8. 70 July 1, 1892, balance available

71.07 Amount appropriated by act approved July 13, 1892

7,500.00 Amount available for fiscal year ending June 30, 1893.

7,571. 07 (See Appendix P 13.)

IMPROVEMENT OF CERTAIN RIVERS IN ALABAMA AND MISSISSIPPI, OF

BOGUE CHITTO, LOUISIANA, AND OF HARBORS AT MOBILE, ALABAMA, AND BILOXI, MISSISSIPPI.

Officer in charge, Maj. A. N. Damrell, Corps of Engineers, with Lieut. Eben E. Winslow, Corps of Engineers, under his immediate orders since May 23, 1892; Division Engineer, Col. C. B. Comstock, Corps of Engineers.

1. Mobile Harbor, Alabama.-The channel had originally a minimum depth of 51 feet through Choctaw Pass and 8 feet on Dog River Bar.

This was deepened by dredging under appropriations from 1826 to 1852 of $228,830.68 to 10 feet through both. In 1860 the channel in Choctaw Pass had shoaled to 71 feet. From 1870 to 1878 the channel was deepened by dredging to 13 feet, under appropriations amounting to $401,000. Length of cut 8 miles.

From 1881 to 1888 the channel was deepened by dredging to 17 feet, under appropriations amounting to $740,000, but this project was not completed when the last project was adopted. The length of cut was 25.91 miles.

The present project for the improvement of this harbor was adopted in August, 1888, the object being to afford a channel of entrance from the Gulf of Mexico to the city of Mobile of 280 feet width on top of cut with a central depth of 23 feet at mean low water by dredging, at an estimated cost of $1,980,000. Act of September 19, 1890, extended the work up Mobile River to the mouth of Chickasabogue Creek and increased the estimated cost to $2,043,800.

The entire length of channel under present project is 31.85 miles and , the entire length of continuous cut is 29.98 miles.

The amount expended on the present project up to the close of the fiscal year ending June 30, 1891, was $306,680.32.

The average central depth of the dredged channel on June 30, 1891, was 19.4 and the minimum depth on that date was 14.7 feet.

The amount expended during the fiscal year ending June 30, 1892, was $275,198.23 and on that date the average central depth of the entire channel was 24 feet and the minimum central depth was 20.2 with no increase of width. July 1, 1891, balance unexpended

$993, 319.68 June 30, 1892, amount expended during fiscal year.

275, 198. 23 July 1, 1892, balance unexpended

18, 121.45 July 1, 1892, outstanding liabilities

$11, 871. 34 July 1, 1892, amount covered by uncompleted contracts... 4, 478.80

16, 350.14 July 1, 1892, balance available

1, 771.31 Amount appropriated by act approved July 13, 1892

212, 500.00 Amount available for fiscal year ending June 30, 1893......

214, 271.31 Amount (estimated) required for completion of existing project..... 1,181, 300.00 Amount (estimated) required for preservation of improvement.

120,000.00 Amount that can bo protitably expended in fiscal year ending June 30, 1894

1,000,000.00 Submitted in compliance with requirements of sections 2 of river

and harbor acts of 1866 and 1867. (See Appendix Q 1.) 2. Black Warrior River, Alabama, from Tuscaloosa to Daniels Creek.The present channel is only navigable during very high water, and is even then extremely dangerous.

The present project for the improvement of this section of the river was adopted in 1886, the object being to afford a water-way for the transportation of coal, iron ore, iron, etc., in barges, from the Warrior coal fields to the Gulf of Mexico, by the construction of five locks and dams, at an estimated cost of $741,670.

The amount expended to June 30, 1891, was $247,671.49, resulting as follows:

Lock No. 1. Locktender's house built and used at present as an engineer's office. Masonry completed except laying the bank-wall coping, which is in readiness. Area back of bank wall paved, and bank sloped and turfed. A flight of fifty steps down to the lock constructed. Base of dam leveled up to elevation (106); 1,300 yards of stone for dam on hand.

Lock No. 2. Cofferdam (550 feet long) built, and pump and boiler placed in position for pumping. Incline into lock chamber graded, 1,500 feet long. Cut stone on hand, 994 yards. Rough ashlar on hand, 130 yards. Backing on hand, 2,600 yards. Sand for mortar delivered, 850 yards.

Lock No.3. Cofferdam 1,330 feet long completed, inclosing also 7 acres of river bed for quarry. Incline to lock and quarry graded, 1,500 feet long.

The amount expended during the fiscal year ending June 30, 1892, is $76,783.43, and the present condition of the work is as follows:

Lock No. 1. Locktender's house built and occupied as an engineer office. Lock masonry completed. Base of dam filled in to within 9 feet on the crest. Lock yard paved, and bank sloped and turfed, and steps laid. The stones are on hand prepared for the abutment and dam.

Lock No. 2. The river wall is completed, 1,341 yards of masonry have been laid in the bank wall, and the stone for finishing it is in readiness.

Lock No. 3. Cofferdam built and 356 yards of ashlar quarried. The foundation for the lock walls is being excavated. July 1, 1891, balance unexpended ..

- $108, 578.51 June 30, 1892, amount expended during fiscal year.

76, 783.43 July 1, 1892, balance unexpended

31, 795. 08 July 1, 1892, outstanding liabilities

6, 197.47 July 1, 1892, balance available.....

25, 597. 61 Amount appropriated by act approved July 13, 1892.

200,000.00 Amount available for fiscal year ending June 30, 1893

225, 597.61 Amount (estimated) required for completion of existing project....... 185, 420.00 Submitted in compliance with requirements of sections 2 of river and

harbor acts of 1866 and 1867. (See Appendix Q 2.)

3. Warrior and Tombigbee rivers, Alabama and Mississippi.-a. Warrior River, Alabama.—The channel of this river was originally obstructed to such an extent by logs, snags, overhanging trees, and numerous bars, that navigation at low water was impossible and at high water extremely hazardous.

The present project for the improvement of this river was adopted in 1890, the object being to obtain a channel 6 feet deep at ordinary low water from Tuscaloosa to its mouth by removal of logs, snags and overhanging trees, the improvement of bars, bank revetment, and the construction of locks and dams at an estimated cost of $577,000.

The amount expended during the fiscal year ending June 30, 1891,

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was $21,840.85 and was used in construction of a portion of plant required for prosecution of the work, no improvement being effected.

The amount expended during the fiscal year ending June 30, 1892, was $26,831.01 in preparation of plant and the removal of snags, logs, and overhanging trees, no increased depth being obtained; but the time required to run the river and the hazard attending have both been reduced. July 1, 1891, balance unexpended

$37, 127. 13 June 30, 1892, amount expended during fiscal year..

26, 831.01 July 1, 1892, balance unexpended....

10, 296. 12 Amount appropriated by act approved July 13, 1892

75,000.00 Amount available for fiscal year ending June 30, 1893

85, 296. 12 Amount (estimated) required for completion of existing projèct.... 457,000.00 Submitted in compliance with requirements of sections 2 of river and

harbor acts of 1866 and 1867. 6. Tombigbee River, Mississippi, from Walkers Bridge to Fulton. The channel was originally only navigable for small rafts during high water, and very troublesome for them.

The present project for the improvement of this section of the river was adopted in 1888, the object being to obtain a good channel for navi. gation during high water by the removal of snags, logs, stumps, and cutting overhanging trees, at an estimated cost of $11,000.

The amount expended up to the close of the fiscal year ending June 30, 1891, was $6,517.18, and resulted in completion of the project. July 1, 1891, balance unexpended.....

$1,482. 82 June 30, 1892, amount expended during fiscal year..

1, 073.93 July 1, 1892, balance unexpended ...

408.89 Amount appropriated by act approved July 13, 1892.

3,000.00 Amount available for fiscal year ending June 30, 1893....

3, 408. 89 Amount (estimated) required for preservation of improvement.... 1,000.00 Submitted in compliance with requirements of sections 2 of river and

harbor acts of 1866 and 1867. c. Tombigbee River, from Fulton, Mississippi, to Vienna, Alabama.The channel, before improvement, was not navigable at all from Fulton down to Cotton Gin Port, 694 miles; froin Cotton Gin Port down to Aberdeen, about 25 miles, it was navigable for small barges carrying about 125 bales of cotton; from Aberdeen down to Columbus, about 491 miles, navigation was difficult when the river was 12 feet above ordinary low water; from Columbus down to Vienna the channel was much obstructed by snags and overhanging trees, and there was only 1 foot of water on some of the bars during low water. The project for the improvement of the river from Fulton down to Columbus, 144 miles, was adopted in 1873, the object being to give a good high-water navigation throughout by the removal of snags and overhanging trees. The project for the improvement of the portion of the river between Columbus and Vienna was adopted in 1879, the object being to afford a channel of navigable width and 3 feet' deep during ordinary low water.

The amount expended to June 30, 1891, was about $87,335.79 (exact figures can not be given, for reasons that appropriations were made jointly for Warrior and Tombigbee rivers) and resulted in the completion of the proposed improvement of that section of the river from Fulton down to Columbus, and in giving such a channel from Columbus down to Vienna that navigation was possible, on a 2-foot rise, for boats drawing 3 feet, and the accomplishment of over one-half the work.

The amount of $4,714.26 has been expended during the fiscal year ending June 30, 1892, in the removal of snags, logs, and overhanging trees, in preservation of improvement previously obtained. This section of the river should be designated hereafter as Fulton to Columbus, the portion below Columbus being incorporated by the act of September 19, 1890, with that designated "Tombigbee River from Demopolis to Colum bus, Miss." July 1, 1891, balance unexpended

$4, 714.26 June 30, 1892, amount expended during fiscal year.

4, 714. 26 Amount appropriated by act approved July 13, 1892

6, 000.00 Amount (estimated) required for preservation of improvement... 10,000.00 Submitted in compliance with requirements of sections 2 of river and

harbor acts of 1866 and 1867. d. Tombigbee River, Alabama, up to Demopolis.-At the present time the channel has a minimum depth of 2 feet.

The present project for the improvement of this section of the river was adopted in 1890, the object being to secure a channel of 6 feet depth at low water, by removal of logs, snags, and bank revetinent, and construction of locks and dams, at an estimated cost of $508,898. The entire length of this section is 191 miles. The amount expended during the fiscal year ending June 30, 1891, was $9,648.98, and resulted in removal of logs, snags, and overhanging trees from 65 miles of the lower and best part of the river, and the partial improvement of 374 miles more.

The amount expended during the fiscal year ending June 30, 1892, was $38,538.87, and resulted in removal of logs, snags, trees, etc., from Milers Gin to Barneys Shoals, in repair of jetties at Osage and Barneys Shoals, removal of snags, logs, trees, etc., from Demopolis, Ala., 12 miles downstream, and the partial improvement of McGrews, Pearsons, and Woods Bluff Shoals. July 1, 1891, balance unexpended

$15, 351. 02 June 30, 1892, amount expended during fiscal year..

38, 538. 87 July 1, 1892, balance unexpended

6, 812. 15 Amount appropriated by act approved July 13, 1892 .

125, 000.00 Amount available for fiscal year ending June 30, 1893......

131, 812. 15 Amount (estimated) required for completion of existing project....... 328,808.00 Submitted in compliance with requirements of sections 2 of river and

harbor acts of 1866 and 1867. e. Tombigbee River from Demopolis, Alabama, to Columbus, Mississippi.—The present channel has a minimum depth of 1 foot.

The present project for the improvement of this section of the river was adopted in 1890, the object being to obtain a channel of 6 feet depth at an ordinary low water by removal of logs, snags, etc., bauk revetinent, and construction of locks and dams, at an estimated cost of $779,400.

The amount expended up to the close of the fiscal year ending June 30, 1891, was $283 in the preparation of a portion of the plant and the commencement of the work proper.

The amount expended during the fiscal year ending June 30, 1892, is $14,712, and resulted in clearing 224 miles from Windham down, in the lower part of this section of the river, of snags, logs, and over

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