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Page 4534, results 113326 - 113350

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Ground-water levels, spring 1985, and ground-water level changes, spring 1983 to spring 1985, in three basalt units underlying the Columbia Plateau, Washington and Oregon
R. C. Lane, K. J. Whiteman
1989, Water-Resources Investigations Report 88-4018
Groundwater level contour maps for three basalt units of the Columbia Plateau regional aquifer system were constructed by using water levels measured in 1,105 wells during 1985. These measurements then were compared with similar measurements from spring 1983 to assess the changes in groundwater levels over the 2-year period for...
Well data, surface-water discharges, and nitrate concentrations, February 1986 - September 1987, in parts of the Pasco Basin, Washington
B. W. Drost, K.M. Schurr, G.P. Ruppert, S.E. Cox
1989, Open-File Report 89-38
The U.S. Geological Survey, in cooperation with the State of Washington Department of Ecology, is conducting a study of parts of the Pasco basin, Washington, to determine: (1) effects of dams, surface-water application, canal seepage, and pumpage on groundwater levels; (2) quality of groundwater and probable sources of large concentrations...
Mineral resources of the Mount Tipton Wilderness Study Area, Mohave County, Arizona
Robert C. Greene, Robert L. Turner, Robert C. Jachens, William A. Lawson, Carl L. Almquist
1989, Bulletin 1737-B
The Mount Tipton Wilderness Study Area (AZ-020-012/ 042) comprises 33,950 acres in Mohave County, Ariz. At the request of the U.S. Bureau of Land Management, this area was evaluated for identified mineral resources (known) and mineral resource potential (undiscovered). This work was carried out by the U.S. Bureau of Mines...
Summary of data pertaining to land use, rainfall, dryfall, stream discharge, and storm runoff collected as part of a study of the effects of urban runoff on Rapid Creek, Rapid City area, South Dakota
K.E. Goddard, T.K. Lockner, L.L. Harms, M.H. Smith
1989, Open-File Report 87-45
The objectives of a 3-year study of urban runoff in the Rapid City area of South Dakota were to characterize the effects of urban runoff from rainfall on the water quality of Rapid Creek, and to evaluate the effects of the runoff on the existing cold-water fishery. In order to...
Potentiometric surface of the Magothy Aquifer in southern Maryland during the fall of 1987
Frederick K. Mack, David C. Andreasen, Stephen E. Curtin, Judith C. Wheeler
1989, Water-Resources Investigations Report 89-4013
A map showing the potentiometric surface of the Magothy aquifer in the Cretaceous Magothy Formation in southern Maryland during the fall of 1987 was prepared by using water level measurements in 85 observation wells. The potentiometric surface was highest near the northwestern boundary and outcrop area of the aquifer in...