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ANNUAL REPORT, DEPARTMENT OF THE ARMY

FISCAL YEAR ENDED JUNE 30, 1950

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For sale by the Superintendent of Documents, U. S. Government Printing Office

Washington 25, D. C. Price $4.00 (Cloth)

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MISSISSIPPI RIVER BETWEEN THE MISSOURI RIVER

AND MINNEAPOLIS, MINN.

The section of the river covered in this report is divided into three reaches, under the supervision and direction of district engineers at St. Louis, Mo., Rock Island, Ill., and St. Paul, Minn.

The section in the St. Louis district extends from the mouth of the Missouri River to mile 300 above the Ohio River, a distance of about 105 miles; the Rock Island district extends from mile 300 to mile 614, a distance of about 314 miles; and the St. Paul district extends from mile 614 to the Minneapolis, St. Paul & Sault Ste. Marie Railway bridge, Minneapolis, a distance of about 244 miles.

District engineers: At St. Paul, Minn., Maj. John D. Keefe, Corps of Engineers, Acting District Engineer to July 14, 1949, and Col. Leverett G. Yoder, Corps of Engineers, District Engineer from that date; at Rock Island, Ill., Col. Reginald L. Dean, Corps of Engineers; at St. Louis, Mo., Col. Rudolph E. Smyser, Jr. Corps of Engineers, to December 30, 1949, and Col. Beverly C. Snow, Corps of Engineers, since that date.

Division Engineer of the Upper Mississippi Valley Division, St. Louis, Mo., comprising the above districts : Col. Clark Kittrell, Corps of Engineers, to December 18, 1949, Brig. Gen. Don G. Shingler, United States Army, from December 19, 1949, to May 22, 1950, and Col. Beverly C. Snow, Corps of Engineers, acting from that date.

Location.—The Mississippi River rises in the northern part of Minnesota, flows about 2,350 miles in a southerly direction, and empties into the Gulf of Mexico. The portion included in this report extends from the mouth of the Missouri River to the Minneapolis, St. Paul & Sault Ste, Marie Railway bridge, Minneapolis, a distance of about 663 miles.

Previous projects.—Adopted by the River and Harbor Acts of June 10, 1872; June 18, 1878; August 18, 1894; February 9, 1905; March 3, 1905; March 2, 1907; June 25, 1910; September 22, 1922; March 3, 1925; January 21, 1927; and July 3, 1930.

For further details see pages 1879, 1880 and 1887 of the Annual Report for 1915; pages 1106, 1107, and 1108 of the Annual Report for 1932; and page 1047 of the Annual Report for 1938.

Existing project. This project provides for a channel of 9-foot depth and of adequate width between the mouth of the Missouri River (1,179 miles from the Gulf) and the Minneapolis, St. Paul & Sault Ste. Marie Railway bridge at Minneapolis, by the construction of a system of locks and dams, supplemented by dredging. The project also provides for a further improvement at St. Paul to provide a basin 9 feet deep, varying in width from 400 to 1,100 feet and extending downstream from the Robert Street Bridge for a distance of 2.7 miles, and at Minneapolis to provide adequate terminal facilities, and for miscellaneous other harbor improvements.

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