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<br />00188'1
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<br />Chemical Quality and Sedimentation
<br />Missouri River Basin
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<br />IR?[ F' rp ryn.7(~W
<br />JAN 11 1957
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<br />Quarterly Progress Report
<br />December 1956
<br />
<br />Chemical Quali ty
<br />
<br />The Missouri Basin chemical quality progrllll includes investigations
<br />Of both surface and ground waters. At the end of the quarter, 61 quality sta-
<br />tions, including 15 on reservoirs and lakes, were in operation. The following
<br />stations were discontinued during the quarter: (1) Two Medicine River near
<br />Browning, Mont., (2) Two Medicine Canal near Cut Bank, Mont., and (3) Badger
<br />Canal near Dupuyer, Mont. Preparation, review, and revision of chemical quality
<br />sections of ground-water resources reports were continued. Preparation of a
<br />preliminary report on chemical quality and sedimentation of surface waters in
<br />the Grand River Basin, South Dakota was in progress. Basic data on chemical
<br />quality for Devils Lake area, N. Dak., through the 1956 water year, were COlll-
<br />piled and distributed. In addition, a S\llllmary of data for Shadehill Reservoir,
<br />S. Dak. area for the 1956 water year was forwarded to the Bureau of Reclamation.
<br />
<br />The GeologiCal Survey9s irrigation network progr8lll, which included
<br />investigations of the chemical quality of surface waters at 3 main stem and
<br />11 tributary stations was continued, and the assembly of data for the 1955 water
<br />year was nearly completed.
<br />
<br />Chemical quality data for Lake Traverse, S. Dak., and for Lake
<br />Ashtabula and Homme Reservoir, both in N. Dak., whic h were obtained in October
<br />in cooperation with the St.' Paul District, Corps of Engineers" were completed
<br />and forwarded to that agency. Similar data, obtained in October in cooperation
<br />with the U. S.Forest Service and Fish and Wildlife Service for Bitterroot River
<br />near Darby, Yellowstone River at Corwin Springs, Sheep Creek near White Sulphur
<br />Springs, and Trapper Creek near Melrose, all in Mont; I were forwarded to those
<br />agencies.
<br />
<br />Sedimentation
<br />
<br />The Missouri Basin sed:iJllentation program included investigations of
<br />sediment discharge of streams at 37 stations in the Red River of the North,
<br />Big Hole, Gallatin, Marias, Willow Creek, Yellowstone, White, James, Niobrara,
<br />Platte, and Kansas River drainage basins; and studies of variable hydraulic
<br />parameters for sed:iJllent transport for Middle toup River near Ilunning, Nebr.
<br />
<br />Sedimentation investigations conducted as a part of the Departmental
<br />Wind River program were reduced in scope as follows: (1) Poison Creek near
<br />Shoshoni, Wyo., discontinued; (2) Wind River at Riverton,Vyo., changed from
<br />dai1y to monthly observations; (3) Popo Agie River at Riverton, Wyo., Changed
<br />from dai1y to monthly observations. A part of the Wind River program was
<br />supported by funds transferred by the Bureau of Reclamation.
<br />
<br />other changes in the Missouri Basin program, in accordance with pro-
<br />gram priorities and funds allotted, were as follows:
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