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Page 4879, results 121951 - 121975

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Geohydrology of the Vamoosa-Ada aquifer, east-central Oklahoma
Joseph J. D’Lugosz, Roger G. McClaflin, Melvin V. Marcher
1981, Open-File Report 81-62
The Vamoosa-Ada aquifer, which underlies an area of about 2,320 square miles, consists principally of the Vamoosa Formation and the overlying Ada Group of Pennsylvanian age. Rocks comprising the aquifer were deposited in a near-shore environment ranging from marine on the west to nonmarine to the east. Because of changes...
Ground-water levels in Arkansas, spring 1981
Joe Edds
1981, Open-File Report 81-1114
This report contains records of water-level measurements from wells in Arkansas that comprise the statewide observation-well network maintained by the U.S. Geological Survey, in cooperation with the Arkansas Geological Commission. The observation-well network is designed to provide data for evaluation of the regional trend of water-level changes in each of...
Identification codes for organizations listed in computerized data systems of the U.S. Geological Survey
Melvin D. Edwards, Beverly M. Myers
1981, Open-File Report 81-904
This report contains codes for the identification of public and private organizations listed in computerized data systems. These codes are used by the U.S. Geological Survey 's National Water Data Exchange (NAWDEX), National Water Data Storage and Retrieval System (WATSTORE), National Cartographic Information Center (NCIC), and Office of Water Data...
Stratigraphy, sedimentology, and paleomagnetism of the Coral Ridge sand body, eastern Taylor Valley, Victoria Land, Antarctica
Donald Parker Elston, Paul H. Robinson, Stephen L. Bressler
1981, Open-File Report 81-1303
A body of moderately well sorted and well stratified ice-cemented sand, here informally called the Coral Ridge sand body, was deposited across eastern Taylor Valley before the deposition of a veneer of glaciogenic deposits related to late Pleistocene incursions of the Ross Sea ice sheet. The Coral Ridge sand body...
Progress report on the effects of surface mining on the surface-water hydrology of selected basins in the Fort Union coal region, North Dakota and Montana
Douglas G. Emerson
1981, Open-File Report 81-678
The purpose of the investigation is to provide a means to assess the impacts on surface-water hydrology due to changes in land use resulting from surface mining of coal in the Fort Union Coal Region, North Dakota and Montana. The objectives of the study are to: (1) Determine premining hydrologic...
Hydrologic and morphologic changes in channels of the Platte River basin: A historical perspective
T.R. Eschner, R. F. Hadley, K.D. Crowley
1981, Open-File Report 81-1125
The channels of the Platte River and its major tributaries, the South Platte and North Platte Rivers in Colorado, Wyoming, and Nebraska, have undergone major changes in hydrologic regime and morphology since 1860. These changes are attributed here to agricultural, municipal, and industrial water use.Although water-resource development varied temporally throughout...