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Page 5079, results 126951 - 126975

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Water resources data for Michigan, water year 1978
Water Resources Division, U.S. Geological Survey
1979, Water Data Report MI-78-1
Water resources data for the 1978 water year for Michigan consist of records of stage, discharge, and water quality of streams; stage, contents, and water quality of lakes and reservoirs; and water levels and water temperature of ground water. This report contains discharge records for 187 gaging stations; stage only...
Ground-water levels in alluvium on the South coast of Puerto Rico, February 1978
Jose R. Diaz
1979, Open-File Report 79-1272
Ground-water levels in the alluvial aquifer of the south coast of Puerto Rico in February 1978 were similar to or slightly higher than those of February 1977. Water levels rose about 2 to 3 meters in the northern section near the foothills in the coastal plain area from Salinas to...
Depth determination of Colvocoresses Reef, Indian Ocean (EC-68-Landsat)
Alden P. Colvocoresses
1979, Open-File Report 79-726
The depth to the subject reef has been estimated at a nominal 10 n by three independent analyses based on Landsat and (in two cases) comparisons.: to measured depths of submerged features in the same area. Fathometer readings made in 1979 confirm the 1O-m reading....
Sediment discharge in the Santa Clara River Basin, Ventura and Los Angeles Counties, California
Rhea P. Williams
1979, Water-Resources Investigations Report 79-78
Sediment data collected in the Santa Clara River basin during the 1967-75 water years were analyzed to determine the particle size and quantity of sediment transported past three gaging stations. The total sediment discharge of the basin, computed from records of Santa Clara River at Montalvo for water years 1968-75,...
Geology of the Aspen 15-minute quadrangle, Pitkin and Gunnison counties, Colorado
Bruce Bryant
1979, Professional Paper 1073
The Aspen area, located 170 km southwest of Denver, Colo., lies at the intersection of the northeast-trending Colorado mineral belt and the west margin of the north-trending Sawatch uplift of Laramide age; it is within the southwest part of the northwest-trending late Paleozoic Eagle basin. Precambrian shales and graywackes, perhaps...
Sand dunes on the central Delmarva Peninsula, Maryland and Delaware
Charles Storrow Denny, James Patrick Owens
1979, Professional Paper 1067-C
Inconspicuous ancient sand dunes are present in parts of the central Delmarva Peninsula, Maryland and Delaware. Many dunes are roughly V-shaped, built by northwest winds, especially on the east sides of some of the large rivers. On the uplands, the form and spacing of the dunes are variable. A surficial...
Hydrologic data for urban studies in the Dallas, Texas, metropolitan area, 1977
B.B. Hampton, C.M. Wood
1979, Open-File Report 79-562
In August 1961, the Geological Survey, in cooperation with the city of Dallas, began a program of investigations designed to evaluate hydrologic factors affecting floods on several small streams in Dallas. During the 1977 water year, the original program was expanded to include the greater Dallas metropolitan area....
A one-dimensional, steady-state, dissolved-oxygen model and waste-load assimilation study for Wildcat Creek, Howard County, Indiana
Charles G. Crawford, William G. Wilber, James G. Peters
1979, Open-File Report 79-1252
The Indiana State Board of Health is developing a water-quality management plan that includes establishing limits for wastewater effluents discharged into Indiana streams. A digital model calibrated to conditions in Wildcat Creek was used to predict alternatives for future waste loadings that would be compatible with Indiana stream water-quality standards...
Major-element geochemistry of the Silent Canyon-Black Mountain peralkaline volcanic centers, northwestern Nevada Test Site: applications to an assessment of renewed volcanism
Bruce M. Crowe, Kenneth A. Sargent
1979, Open-File Report 79-926
The Silent Canyon and Black Mountain volcanic centers are located in the northern part of the Nevada Test Site. The Silent Canyon volcanic center is a buried cauldron complex of Miocene age (13-15 m.y.). Black Mountain volcanic center is an elliptical-shaped cauldron complex of late Miocene age. The lavas and...