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Status of all investigations for flood control called for by flood control acts and committee resolutions-Continued

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Monongahela and Allegheny Rivers and tributaries, for navigation, flood control, power, and irrigation (308 report).

Ohio River, for flood control along Chartiers Creek through the city of Washington and the township of Canton, Pa. Ohio River, with a view to flood control plans with respect to French Creek Basin, Pa. Ohio River, with a view to flood protection along Wheeling Creek and Little Wheeling Creek at and in the vicinity of Wheeling, West Virginia. Oil Creek and Allegheny River, Pa., at and in the vicinity of Oil City, Pa., for flood control. Pine Creek, Pa., Allegheny River, Pa., tributaries, sources and headwaters.

Pittsburgh, Pa., Allegheny and Monongahela Rivers, Pa., flood protection at.

Portville, N. Y., Allegheny River (Upper), for flood control protection at or in the vicinity of. Redbank Creek, Pa., Allegheny River, Pa., tributaries, sources, and headwaters.

Salamanca, N. Y., Allegheny River for flood control at and in vicinity of.

Salamanca, N. Y., Allegheny River (Upper), for flood control at and in the vicinity of. Stony Creek, Pa., Allegheny River, Pa., tributaries, sources and headwaters.

Warren, Pa., Allegheny River, and Conewango Cr., Pa., for flood control at and in the vicinity of.

Washington, Pa., and the township of Canton, Pa., Chartiers Creek, Pa., for flood control. West Fork River and tributaries, W.Va., construction of multiple purpose reservoirs. Wheeling Creek and Little Wheeling Creek, W. Va., with a view to flood protection at and in the vicinity of Wheeling, W. Va.

Youghiogheny River, Pa......

Youghiogheny River Basin, Pa. and Md.

Youghiogheny River watershed above Dawson, Pa.

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Favorable report submitted to Congress February 24, 1949 on Bradford, Pa.; and printed in 8. Doc. 20, 80th Cong., 1st sess report on Eldred, Pa., will be submitted at a later date.

IMPROVEMENT OF RIVERS AND HARBORS IN THE DULUTH, MINN., DISTRICT

This district comprises northeastern Minnesota, northwestern Wisconsin, and the northern portion of the Upper Peninsula of Michigan, embracing the United States waters of Lake Superior west of the head of St. Marys River and the Lake of the Woods with their tributary drainage basins. It includes Isle Royale in Lake Superior.

District engineer: Col. D. A. Morris, Corps of Engineers, to May 14, 1950, and acting district engineer since that date.

Division engineer of the Great Lakes Division, Chicago, Ill., comprising the Duluth, Minn., Milwaukee, Wis., Chicago, Ill., Detroit, Mich., and Buffalo, N. Y., districts: Col. D. O. Elliott, Corps of Engineers, to July 31, 1949; Col. J. R. Hardin, Corps of Engineers, since that date.

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1. CHIPPEWA HARBOR, ISLE ROYALE, MICH.

Location. The harbor is located on the south shore of Isle Royale, 55 miles northerly from the upper entrance to Keweenaw Waterway, Michigan, and 185 miles northeasterly from Duluth, Minn. (See U. S. Lake Survey Chart No. 981.)

Existing project. This provides for an entrance channel 75 feet wide and 14 feet deep, connecting the outer and inner harbors.

939127-51-vol. 2—34

The project depths are referred to low-water datum for Lake Superior, which is 601.6 feet above mean tide at New York. The ordinary seasonal variation of water level extends from 0 to +1 foot above low-water datum. The harbor is subject to extreme fluctuations of water level of a temporary nature, due to wind and barometric conditions, of about 1 foot above or below the mean lake level prevailing at the time.

The estimated cost for new work, made in 1948, is $72,500. Annual maintenance is not required.

The existing project was authorized by the River and Harbor Act approved March 2, 1945. (See H. Doc. 446, 78th Cong., 2d sess.)

Local cooperation.-None required.

Terminal facilities.-There are two small privately owned fishing wharves.

Operations and results during fiscal year.-Advance planning for the construction of the project was done at a cost and expenditure of $72.11 for new work.

Condition at end of fiscal year.-No work has been done on the construction of the existing project. A controlling depth of 6 feet for a width of 50 feet exists in the entrance channel. The total cost was $1,304.25, all for new work. The total expenditures were $1,304.25.

Proposed operations.-The balance unexpended at the end of the fiscal year amounting to $695.75 will be applied to advance planning for new work by hired labor.

No work is scheduled during the fiscal year 1952.

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Unobligated balance, June 30, 1950

Estimated additional amount needed to be appropriated for
completion of existing project

2. GRAND MARAIS HARBOR, MINN.

$695.75

70,500.00

Location. The harbor is suituated on the north shore of Lake Superior, 106 miles northeasterly from Duluth, Minn. (See U. S. Lake Survey Chart No. 9.)

Existing project.-This provides for rock-filled timber crib breakwater piers 350 feet in length from the east and west points

of the bay to narrow the entrance; for constructing concrete sea walls across the ledge at the southeast corner of the harbor; and for dredging an anchorage area of 36.5 acres to a depth of 16 feet with depths near the entrance of 18 and 20 feet, and for providing a small boat basin 100 feet wide, 600 feet long, and 8 feet deep in the northwestern part of the harbor protected by a breakwater 600 feet long with a rubble mound shore connection. All depths are referred to low-water datum for Lake Superior, which is 601.6 feet above mean tide at New York. The ordinary seasonal variation of water level extends from 0 to +1 foot above low-water datum. The harbor is subject to extreme fluctuations of water level of a temporary nature, due to wind and barometric conditions, of about 1 foot above or below the mean lake level prevailing at the time.

The estimate of cost for new work, revised in 1950, was $359,,000. The latest (1950) approved estimate of cost for annual maintenance is $8,000.

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

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Local cooperation. The improvement authorized by the act of May 17, 1950, is subject to the conditions that responsible local interests give assurances satisfactory to the Secretary of the Army that they will

(a) Provide without cost to the United States all lands, easements, rights-of-way, and spoil-disposal areas necessary for the construction and subsequent maintenance of the work, when and as required.

(b) Hold and save the United States free from damages due to the construction and subsequent maintenance of the works. (c) Provide and maintain without cost to the United States and in accordance with plans approved by the Chief of Engineers a suitable and adequate wharf for the accommodation of small craft which shall be open to all on equal terms.

(d) Establish a competent and properly constituted public body empowered to regulate and manage the inner harbor facilities. None of the above conditions have been complied with. Terminal facilities.-There are two general merchandise wharves, and several fish wharves, all privately owned. These facilities are considered adequate for existing commerce.

Operations and results during fiscal year.-Maintenance surveys were made at a cost and expenditure of $973.24.

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