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Page 5167, results 129151 - 129175

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Rock property measurements and analysis of selected igneous, sedimentary, and metamorphic rocks from worldwide localities
Gordon R. Johnson
1983, Open-File Report 83-736
Dry bulk density and grain density measurements were made on 182 samples of igneous, sedimentary, and metamorphic rocks from various world-wide localities. Total porosity values and both water-accessible and helium-accessible porosities were calculated from the density data. Magnetic susceptibility measurements were made on the solid samples and permeability and streaming...
Highlights of the 1983 Federal-state cooperative water resources program
B.K. Gilbert, T.J. Buchanan
1983, Open-File Report 83-763
The U.S. Geological Survey Federal-State Cooperative Water Resources Program in fiscal year 1983 continued to concentrate on investigations of highest priority to the Nation. Hydrologic data collection and interpretive studies were underway in every State, Puerto Rico, and several U.S. territories with focus on such current concerns as ground-water contamination,...
Estimation of nonpoint sources of phosphorus for lakes in the Puget Sound region, Washington
Robert J. Gilliom
1983, Open-File Report 82-161
Control of eutrophication of lakes in watersheds undergoing development is facilitated by estimates of the amounts of phosphorus (P) that reach the lakes from areas under various types of land use. Using a mass-balance model, the writer calculated P loadings from present-day P concentrations measured in lake water and from...
Habitat Suitability Information: Blacknose dace
Joan G. Trial, Jon G. Stanley, Mary Batcheller, Gary Gebhart, O. Eugene Maughan, Patrick C. Nelson
1983, FWS/OBS 82/10.41
A review and synthesis of existing information were used to develop riverine and lacustrine habitat models for Blacknose dace, a freshwater species. The models are scaled to produce an index of habitat suitability between 0 (unsuitable habitat) to 1 (optimally suitable habitat) for freshwater, marine, and estuarine areas of the...
Storage requirements for Georgia streams
Robert F. Carter
1983, Open-File Report 82-557
The suitability of a stream as a source of water supply or for waste disposal may be severely limited by low flow during certain periods. A water user may be forced to provide storage facilities to supplement the natural flow if the low flow is insufficient for his needs. This...
Ground water records for St. Croix, U.S. Virgin Islands, 1969-1973
Hector M. Colon-Ramos
1983, Open-File Report 83-546
Ground-water levels at selected wells in St. Croix, the largest of three U.S. Virgin Islands, were monitored from 1969-73. Continuous recording instruments were installed at Mahogany, Castle Coakley, Airport, and Adventure wells, in central St. Croix. Monthly observations of instantaneous ground-mater levels were also made at two wells near Barren...
Operation of hydrologic data collection stations by the U.S. Geological Survey in 1983
Alberto Condes de la Torre
1983, Open-File Report 83-862
The U.S. Geological Survey operated hydrologic data collection stations during 1983 in response to the needs of all levels of Government for hydrologic information. Surface-water discharge was determined at 11,076 stations; stage data on streams, reservoirs, and lakes were recorded at 2,136 stations; and surface-water quality was determined at 4,610...