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Page 5570, results 139226 - 139250

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Hydrology of the Bayou Bartholomew alluvial aquifer-stream system, Arkansas
M.E. Broom, J.E. Reed
1973, Open-File Report 73-34
The study area comprises about 3,200 square miles of the Mississippi Alluvial Plain in southeast Arkansas. About 90 percent of the area drains south to the Ouachita River in Louisiana. The alluvial aquifer and the streams are hydraulically connected and are studied as an aquifer-stream system. Bayou Bartholomew is a...
Review of wastewater problems and wastewater-management planning in the San Francisco Bay region, California
Walter G. Hines
1973, Open-File Report 73-112
The San Francisco Bay region has suffered adverse environmental effects related to the discharge of municipal-, industrial-, and agricultural- wastewater and storm-water runoff. Specific pollutional properties of theses discharges are not well understood in all cases although the toxic materials and aquatic-plant nutrients (biostimulants) found in municipal and industrial...
Water resources data for California, 1972; Part 2: Water quality records
Water Resources Division, U.S. Geological Survey
1973, Water Data Report CA-72-2
Water-resources data for the 1972 water year for California include records of data for the chemical and physical characteristics of surface and ground water. The distribution, type, and number of stations in each river or drainage basin are shown in figure 1. A few pertinent stations in bordering States are...
Atlas of Mars, Sinus Sabaeus Quadrangle, MC-20
United States Geological Survey
1973, Open-File Report 73-336
This mosaic was made with Mariner 9 pictures provided by the Jet Propulsion Laboratory (JPL), California Institute of Technology. The Image Processing Laboratory (IPL) of JPL processed the digital pictures to remove image artifacts and geometric distortions, to enhance high-frequency topographic detail while subduing low-frequency albedo variation, and to transform...
Atlas of Mars, MC-18, Coprates Quadrangle
United States Geological Survey
1973, Open-File Report 73-334
This mosaic was made with Mariner 9 pictures provided by the Jet Propulsion Laboratory (JPL), California Institute of Technology. The Image Processing Laboratory (IPL) of JPL processed the digital pictures to remove image artifacts and geometric distortions, to enhance high-frequency topographic detail while subduing low-frequency albedo variation, and to transform...
Catalog of earthquakes along the San Andreas fault system in Central California, April-June 1972
R. L. Wesson, R.E. Bennett, F.W. Lester
1973, Open-File Report 73-361
Numerous small earthquakes occur each day in the coast ranges of Central California. The detailed study of these earthquakes provides a tool for gaining insight into the tectonic and physical processes responsible for the generation of damaging earthquakes. This catalog contains the fundamental parameters for earthquakes located within and adjacent...
Atlas of Mars, Margaritifer Sinus Quadrangle, MC-19
United States Geological Survey
1973, Open-File Report 73-335
This mosaic was made with Mariner 9 pictures provided by the Jet Propulsion Laboratory (JPL), California Institute of Technology. The Image Processing Laboratory (IPL) of JPL processed the digital pictures to remove image artifacts and geometric distortions, to enhance high - frequency topographic detail while subduing low-frequency albedo variation, and...
Water resources data for California, 1972; Part 1: Surface water records; Volume 2: Northern Great Basin and Central Valley
Water Resources Division, U.S. Geological Survey
1973, Water Data Report CA-72-1-2
Surface-water records for the 1972 water year for California, including records of streamflow or reservoir storage at gaging stations, partial-record stations, and miscellaneous sites, are given in this report, Records for a few pertinent gaging stations in bordering States also are included, The records were collected and computed by the...
Atlas of Mars, Phoenicis Lacus quadrangle, MC-17
United States Geological Survey
1973, Open-File Report 73-333
This mosaic is made with computer enhanced Mariner 9 pictures, rectified and scaled to a Mercator projection. Computer processing was performed by the Image Processing Laboratory (IPL) of the Jet Propulsion Laboratory (JPL). Processing included contrast enhancement and high-pass filtering which accentuates topographic features while subduing albedo variations. Photographic reproductions...
Water resources data for California, 1972; Part 1: Surface water records; Volume 1: Colorado River basin, southern Great Basin, and Pacific Slope basins excluding Central Valley
Water Resources Division, U.S. Geological Survey
1973, Water Data Report CA-72-1-1
Surface-water records for the 1972 water year for California, including records of streamflow or reservoir storage at gaging stations, partial-record stations, and miscellaneous sites, are given in this report, Records for a few pertinent gaging stations in bordering States also are included, The records were collected and computed by the...
Atlas of Mars, Mare Acidalium quadrangle, MC-4
United States Geological Survey
1973, Open-File Report 73-328
This mosaic is made with computer enhanced Mariner 9 pictures, rectified and scaled to a Lambert conformal projection. Computer processing was performed by the Image Processing Laboratory (IPL) of the Jet Propulsion Laboratory (JPL). Processing included contrast enhancement and high-pass filtering which accentuates topographic features while subduing albedo variations. Photographic...