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Local cooperation.-Providing an approach channel 23 feet deep, including a turning basin, to the westerly docks is subject to the condition that local interests give assurances satisfactory to the Secretary of the Army that they will: Provide and maintain a coal dumper and slip so that full utilization can be made of the improvement; lower the waterworks intake line where necessary; and hold and save the United States free from all claims for damages incidental to the work or maintenance thereof. These conditions have not been complied with. Prior conditions have been fully complied with.

Terminal facilities.-The developed water front has a length of about 2 miles. Two groups of terminals have been established along this harbor frontage. The westerly group consists of three piers, one of which is used for sand and stone, one for petroleum products, and one for sand and petroleum products. The easterly group consists of one terminal for iron ore, limestone and coal, one for petroleum, one for coal, one for pulpwood, one for sand and stone, one grain elevator, and one municipal pier used as a passenger terminal. There are two small-boat basins in which there are docks for fish, marine repair work, and small pleasure craft. The facilities are considered adequate for the existing commerce. Operations and results during fiscal year.-Government plant and hired labor removed 228,872 cubic yards of material for restoration of project depths in the channels and basin area at a cost of $59,286.87, made repairs to Presque Isle protection stone at a cost of $321.23 and made repairs to the south pier at a cost of $902.67. The total cost of maintenance for the year was $60,510.77. The expenditures were $71,644.33.

Condition at end of fiscal year.-The existing project is 41 percent complete. The breakwater and piers were completed in 1915. A 3,050-foot section of rubble-mound protection work on the peninsula was completed in 1921, 5,281 feet of steel sheet piling protection work with stone facing were completed in 1930, and two experimental 300-foot stone groins and about 1,385 feet of

stone protection work at beach 2 were completed in 1943. The construction of 2,750 feet of stone protection work, just north of the Kelso groin, was completed in 1944. The 18-foot harbor basin was deepened in 1900. Widening and straightening of the entrance channel was completed in 1936. The deepening of the entrance channel and the approach channel to the easterly docks to 25 feet, except for small triangular areas along the southeasterly and southwesterly limits of the approach channel, was completed in 1939. The 21-foot harbor basin was deepened in 1940.

The harbor structures are generally in poor condition. In approximately 1,040 feet of the north pier the concrete has disintegrated, broken, and dropped. In the outer 200-foot section of the south breakwater the slope stone on the channel side has pulled away and dropped. In approximately 100 feet of the south pier the concrete has disintegrated, broken, and dropped. The Presque Isle Peninsula protection works are generally in good condition except for a 300-foot section of steel sheet pile and stone protection built in 1930.

The work remaining to be done to complete the project consists of dredging an approach channel and turning basin to the westerly docks, deepening the remaining portion of the approach channel to the easterly docks, and the conditional extension of the piers.

There is a controlling depth of 25 feet at low-water datum in the entrance channel and in the approach channel to the docks at the easterly end of the harbor, 15 feet to docks at the westerly end, and 21 feet to the public docks, foot of State Street.

The total cost of the existing project was $3,722,499.30, of which $768,075.02 was for new work and $2,954,424.28 for maintenance. The total expenditures were $3,722,614.56. In addition there was a cost and expenditure of $154,500 from contributed funds for maintenance.

Proposed operations.-The accounts receivable at the end of the fiscal year amounting to $115.26, plus an anticipated allotment of $72,000 during fiscal year 1951, a total of $72,115.26, will be applied as follows:

Maintenance:

Dredging the channels and basin, by United States hopper dredge, July, August and September 1950

$44,920.54

Repairs to outer end of south pier, by Government plant,
October and November 1950

Sweeping the channels and removing obstructions, by Government plant, August 1950 and May 1951 ...

5,000.00

22,194.72

Total

72,115.26

The sum of $200,000 can be profitably expended for the following schedule of work during the fiscal year 1952 for maintenance: Dredging the channels and basin, by United States hopper dredge, summer 1951 ....

$50,000

Repairs to 540 linear feet of the north pier, by contract, summer and fall 1951

Sweeping the channels and removing obstructions, by Government plant, summer 1951 and spring 1952

5,000

145,000

Total

200,000

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1 Exclusive of $154,500 expended from contributed funds for maintenance.
Other new work data: Estimated additional amount needed to be
appropriated for completion of existing project ...

10. DUNKIRK HARBOR, N. Y.

$1,206,200

Location. This harbor is located on the south shore of Lake Erie, 37 miles southwesterly from Buffalo, N. Y. (See U. S. Lake Survey Chart No. 32.)

Previous projects.-The original project was adopted by the River and Harbor Act of March 2, 1827, and was modified by the River and Harbor Act of March 2, 1867, by approval November 30, 1870, of the report of a board of engineers and by the River and Harbor Act of June 3, 1896. For further details of previous projects see page 1966 of Annual Report for 1915, and page 1604 of Annual Report for 1938.

Existing project. This provides for an outer entrance channel with depths of 17 feet in earth and 18 feet in rock, with a least width of 190 feet just inside the harbor structures flaring to a width of 320 feet about 600 feet lakeward thereof and extending to deep water; an inner entrance channel and basin to a depth of 16 feet, the west channel limit to be a prolongation landward of the west limit of the outer entrance channel to a point about 635 feet landward of the centerline of the west pier, thence extending to a point about 200 feet west of the west face of the city dock on a line parallel to and 25 feet south of the face of the city dock, thence extending eastward to a point about 420 feet east of the east face of the city dock, thence northerly about 270 feet meeting a line parallel to and 50 feet from the channel arm of the east breakwater; removal of a rock shoal on the west side of the inner entrance channel to a depth of 17 feet; for a pier 1,410 feet in length on the west side of the entrance channel extending to shore, 1,037 feet of timber-cribs with concrete superstructure, 152 feet with stone superstructure, and 35712 feet of the shore end not maintained; and for a detached breakwater extending eastward from the entrance channel 2,814 feet in length, 987 feet of timbercribs with concrete superstructure, and 1,827 feet with stone superstructure.

The project depth is referred to low-water datum for Lake Erie, elevation 570.5 feet above mean tide at New York. Ordinary fluc

tuations of water level are from 3.5 feet above to 0.5 foot below low-water datum, and extreme fluctuations produced by wind and other causes are from 6 feet above to 3 feet below that plane.

The estimated cost for new work, revised in 1948, is $446,200, exclusive of amounts expended under previous projects. The latest (1948) approved estimate for annual cost of maintenance is $22,000.

The existing project was authorized by the following river and harbor acts:

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Local cooperation.-The act of June 30, 1948 provides for deepening the outer entrance channel and removal of the rock shoal on the west side of the inner entrance channel provided local interests give assurances satisfactory to the Secretary of the Army that they will hold and save the United States free from damages due to the work and subsequent maintenance, and provide adequate facilities for the transfer of pulpwood at the city dock. Assurances have been received, and were approved on December 19, 1949, by the Secretary of the Army. All prior conditions have been complied with.

Terminal facilities.-A dock owned by the city of Dunkirk, is designed for commercial use by large lake vessels. The terminal has been leased to private parties but is open to all on equal terms under the terms of the lease. A yacht-club dock and a privately owned marine service dock are for recreational and other small craft.

The facilities are considered adequate for the existing com

merce.

Operations and results during fiscal year year.-New work: Plans and specifications, by hired labor, were completed, and dredging and rock excavation, by contract, for deepening the outer and inner entrance channels to project depth were commenced at a total of $92,265.28, including $61.51 for maintenance. The total expenditures were $27,825.41.

Condition at end of fiscal year.-The existing project is about 35 percent complete. The construction of the west pier and breakwater was completed under the previous project. The dredging of the entrance channel and harbor basin was completed in 1918.

Deepening the outer entrance channel to project depth and removal of the rock shoal on the west side of the inner entrance channel, now under contract, remain to be done to complete the project.

About 800 feet of the lake side of the west pier has been reinforced with stone riprap and repairs to additional areas are necessary. The harbor structures are generally in good condition.

A depth of 14 feet below low-water datum is available in the entrance channel through the basin to the Central Avenue wharf. Depths in the remainder of the basin vary from 4 to 12 feet.

The total cost of the existing project was $591,516.87, of which $148,377.87 was for new work and $443,139.00 for maintenance. The total expenditures were $517,270.17.

Proposed operations.-The balance unexpended at the end of the fiscal year amounting to $422,643.17, plus accounts receivable of $1,753.30, together with an anticipated allotment of $43,500 during fiscal year 1951, a total of $467,896.47, will be applied as follows:

Accounts payable, June 30, 1950

$65,000.00

New work: Deepening outer and inner entrance channels, by existing contract, July 1950 to June 1951

280,796.23

Maintenance: Dredging outer and inner channels, by existing contract, July 1950 to June 1951 ...

122,100.24

467,896.47

Total of all work

No work is scheduled for the fiscal year 1952.

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$2,500.27

Other new work data: Unobligated balance, June 30, 1950

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