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Page 4330, results 108226 - 108250

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ALACARTE User Interface - AML Code and Demonstration Maps
Todd T. Fitzgibbon, Carl M. Wentworth
1991, Open-File Report 91-587-A
ALACARTE offers a convenient way to compile geologic maps in the computer as spatial databases that can be used to prepare both cartographic images and analytic derivatives. It is a menu-controlled shell, organized in geologic terms, that provides on-screen control of the program ARC/INFO, a commercial geographic information system (GIS). Input can...
Field experiments and simulations of infiltration-rate response to changes in hydrologic conditions for an artificial-recharge test basin near Oakes, southeastern North Dakota
D. M. Sumner, W.M. Schuh, R.L. Cline
1991, Water-Resources Investigations Report 91-4127
Ponded depth in an artificial-recharge basin was used as a management option to conduct turbid water from the James River to the Oakes aquifer. Infiltration-rate response to changes in ponded depth was evaluated for a 15xl5-meter artificial-recharge test basin constructed in a medium-sandy soil in the irrigation area near Oakes,...
Bibliography of Regional Aquifer-System Analysis Program of the US Geological Survey, 1978-91
Ren Jen Sun, John B. Weeks
1991, Water-Resources Investigations Report 91-4122
The Regional Aquifer-System Analysis (RASA) Program of the U.S. Geological Survey was initiated in 1978. The purpose of this program is to define the regional geohydrology and establish a framework of background information on geology, hydrology, and geochemistry of the Nation's important aquifer systems. This information is critically needed to...
Economic effects of western Federal land-use restrictions on U.S. coal markets
William Downing Watson, A.L. Medlin, K.K. Krohn, D.S. Brookshire, R. L. Bernknopf
1991, Circular 1042
Current regulations on land use in the Western United States affect access to surface minable coal resources. This U.S. Geological Survey study analyzes the long-term effects of Federal land-use restrictions on the national cost of meeting future coal demands. The analysis covers 45 years. The U.S. Bureau of Land Management...
Water resources data, Alabama, water year 1990
J. L. Pearman, F.C. Sedberry, V.E. Stricklin, P.W. Cole
1991, Water Data Report AL-90-1
The Water Resources Division of the U.S. Geological Survey, in cooperation with State and Federal agencies, obtains a large amount of data pertaining to the water resources of Alabama each water year. These data, accumulated during many water years, constitute a valuable data base for developing an improved understanding of...