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Hydrology of area 54, northern Great Plains, and Rocky Mountain coal provinces, Colorado and Wyoming
Gerhard Kuhn, P. D. Daddow, G. S. Craig
1983, Open-File Report 83-146
A nationwide need for information characterizing hydrologic conditions in mined and potential mine areas has become paramount with the enactment of the Surface Mining Control and Reclamation Act of 1977. This report, one in a series covering the coal provinces nationwide, presents information thematically by describing single hydrologic topics through...
Analyses of elutriates, native water, and bottom material in selected rivers and estuaries in western Oregon and Washington
Gregory J. Fuhrer, Frank A. Rinella
1983, Open-File Report 82-922
Chemical analyses of elutriates, bottom sediment and water samples for selected metals, nutrients and organic compounds including insecticides and herbicides have been made to provide data to determine short-term water quality conditions associated with dredging operations in rivers and estuaries. Between May and December 1980 data were collected as far...
Computer program modifications of Open-file report 82-1065; a comprehensive system for interpreting seismic-refraction and arrival-time data using interactive computer methods
Hans D. Ackermann, Leroy W. Pankratz, Danny A. Dansereau
1983, Open-File Report 83-604
The computer programs published in Open-File Report 82-1065, A comprehensive system for interpreting seismic-refraction arrival-time data using interactive computer methods (Ackermann, Pankratz, and Dansereau, 1982), have been modified to run on a mini-computer. The new version uses approximately 1/10 of the memory of the initial version, is more efficient and...
Ground-followup studies of the 1977 airborne electromagnetic survey in the Assifar and Mulhal areas, Wadi Bidah district, Kingdom of Saudi Arabia
Vincent J. Flanigan, Hamdy Sadek
1983, Open-File Report 83-367
Parts of four airborne electromagnetic (AEM) anomalies were selected for study in order to determine the cause of high conductivity of Precambrian rocks underlying extensive areas in the southern Wadi Bidah district, Kingdom of Saudi Arabia. In the Assifar area, which contains an ancient mine or prospect having the same...
Data for ground-water test hole near Nicolaus, Central Valley aquifer project, California
James J. French, R. W. Page, Gilbert L. Bertoldi
1983, Open-File Report 83-273
Preliminary data are provided for the third of seven test holes drilled as a part of the Central Valley Aquifer Project which is part of the National Regional Aquifer Systems Analysis Program. The test hole was drilled in the SW 1/4 NE 1/4 sec. 2, T.12N., R.3E., Sutter County, California,...
Drainage basins in Duval County, Florida
Roy B. Stone, Joseph B. Largen
1983, Water-Resources Investigations Report 82-4069
The drainage basins and subbasins in Duval County, Florida, are delineated on this atlas map. The county 's 840 square-mile area is drained by three major river systems; the St. Johns, 668 square miles; Nassau, 113 square miles; and St. Marys, 59 square miles. The remainder of the county is...
The Volcano Hazards Program; objectives and long-range plans
Roy A. Bailey, P.R. Beauchemin, F.P. Kapinos, D.W. Klick
1983, Open-File Report 83-400
Volcanoes and the products of volcanoes have a much greater impact on people and society than is generally perceived. Although commonly destructive, volcanic eruptions can be spectacularly beautiful and, more importantly, they have produced the very air we breathe, the water we drink, and our most fertile soils. Volcanoes also...
Water-level records for the northern High Plains of Colorado, 1979-83
Joe L. Blattner, Bruce D. Rasmuson
1983, Open-File Report 83-253
Water-level measurements were made in 638 wells in the winter of 1982-83, in the northern High Plains of Colorado. The water-level measurements for the winter of 1982-83 and for four preceding winters are given in a table, which also contains the location, depth, land-surface elevation and the aquifer for each...