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Gold in the Black Hills, South Dakota, and how new deposits might be found
James Jennings Norton
1974, Circular 699
Of the recorded production of 34,694,552 troy ounces of gold mined in South Dakota through 1971, about 90 percent has come from Precambrian ore bodies in the Homestake mine at Lead in the northern Black Hills. Most of the rest has come from ore deposited in the Deadwood Formation (Cambrian)...
Application of statistical techniques to the estimation of ground-water withdrawals in northwestern Kansas
William M. Kastner
1974, Water-Resources Investigations Report 74-41
This study was made to determine the accuracy of using readily available data with certain statistical techniques to estimate ground-water withdrawals in western Kansas. The data used in the investigation were from a sample of wells chosen from the total inventoried irrigation wells in nine counties in northwestern Kansas; they...
Water resources data for Wyoming, water year 1973; part 1, surface water records
Water Resources Division, U.S. Geological Survey
1974, Water Data Report WY-73-1
Surface-water records for the 1973 water year for Wyoming, including records of streamflow or reservoir storage at gaging stations, partial-record stations, and miscellaneous sites, are given in this report. The locations of the gaging stations and partial-record stations are shown in figures 1 and 2. Records for a few pertinent...
Water resources data for Wyoming, water year 1973, part 2, water quality records
Water Resources Division, U.S. Geological Survey
1974, Water Data Report WY-73-2
Water-resources data for the 1973 water year for Wyoming include records of data for the chemical and physical characteristics of surface and ground water. Data on the quality of surface water (chemical, temperature, and sediment) were collected from designated sampling sites at predetermined intervals such as once daily, weekly, monthly...
Water resources of the Lower Minnesota River Watershed, south-central Minnesota
H.W. Anderson, D.F. Farrell, W.L. Broussard
1974, Hydrologic Atlas 526
The lower Minnesota River watershed, an area of 2,005 square miles, is fairly flat west of the Minnesota River, but rises to a hilly ridge along the east side of the watershed. Most of the area is covered by ground moraine cut deeply by the Minnesota River and less deeply...