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Page 1053, results 26301 - 26325

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Not all publications have extents, not all extents are completely accurate
Hydrologic data for water-table aquifers in the Boulder-Fort Collins-Greeley area, Front Range urban corridor, Colorado
Paul A. Schneider, Donald E. Hillier
1978, Open-File Report 78-567
As part of the U.S. Geological Survey 's investigations of the hydrology and geology in the Front Range Urban Corridor of Colorado, hydrologic data relating to water-table aquifers were compiled during 1976-77. These data consisting of records of 446 wells and chemical analyses of water from 208 wells in the...
Coal resources of the Fish Creek EMRIA site, Routt County, Colorado
Gary B. Schneider
1978, Open-File Report 78-848
The Fish Creek EMRIA site, an area of about 3.7 square miles (9.6 km2), is located in the southeastern part of the Yampa coal field on the steep to gently dipping beds of the Upper Cretaceous Williams Fork Formation.The Fish Creek coal bed within 200 feet (60 m) of the...
Principal facts for borehole gravity stations in test wells Ue10j, Ue7ns, and Ue5n, Nevada Test Site, Nye County, Nevada
James W. Schmoker, Bruce A. Kososki
1978, Open-File Report 78-212
In August of 1976, borehole gravity surveys were conducted by the U.S. Geological Survey at the Nevada Test Site in the Ue10j, Ue7ns, and Ue5n test wells. The work was done in cooperation with the Lawrence Livermore Laboratory. The U.S. Geological Survey-LaCoste and Romberg borehole gravity meter was used in...
Hydrologic data in Bear Creek Basin and western Jackson County, Oregon, 1976-77
Loren A. Wittenberg, Stuart W. McKenzie
1978, Open-File Report 78-230
To determine irrigation return flow impacts on Meyer Creek and Griffin Creek, 12 sites were sampled prior to and during the irrigation season. Thirty-three sets of samples, consisting of irrigation inflow and outflow samples on farms, were collected to determine if the use of irrigation water was improving or degrading...
Seismic monitoring at the Geysers geothermal field, California
S.M. Marks, R.S. Ludwin, K.B. Louie, C. G. Bufe
1978, Open-File Report 78-798
Two distinct clusters of microearthquakes have been identified at The Geysers, possibly relating to two independent pressure sinks resulting from steam production described by Lipman, and others (1977). Unlike earthquakes in the Maacama-Rodgers Creek fault zone to the south and west, earthquakes at The Geysers are confined to depths of...
Biostratigraphic guide to Upper Devonian and Mississippian rocks along the Wasatch Front and Cordilleran hingeline, Utah
Charles A. Sandberg, Raymond Gutschick
1978, Open-File Report 78-351
This paper provides a guide to measured sections of Upper Devonian (Famennian) and Mississippian (Kinderhookian, Osagean, and Meramecian) rocks visited on a three-day field trip between Provo, Utah, on the Wasatch Front and the Crawford Mountains in the Overthrust Belt along the Utah-Wyoming State line. The field trip, sponsored by...
Relation of Mercury, Uranium, and Lithium Deposits to the McDermitt Caldera Complex, Nevada-Oregon
James J. Rytuba, Richard K. Glanzman
1978, Open-File Report 78-926
The McDermitt caldera complex, located along the Nevada-Oregon border, is a Miocene collapse structure 45 kilometer in diameter. Large-volume rhyolitic and peralkaline ash-flow tuffs were erupted from 17.9 to 15.8 m.y. ago, leading to the formation of overlapping and nested calderas. Emplacement of rhyolitic ring domes, located primarily along the...
Water table in the surficial aquifer and potentiometric surface of the Floridan Aquifer in selected well fields, west-central Florida, May 1978
R. M. Wolansky, L. R. Mills, W. M. Woodham
1978, Open-File Report 78-939
The water table in the surficial aquifer and the potentiometric surface of the Floridan aquifer in a 1,200-square-mile area in west-central Florida are mapped semiannually by the U.S. Geological Survey. Maps are prepared showing water levels measured in wells each May to coincide with seasonal low levels, and each September...
Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska: November 1978
J.B. Townshend, J.E. Papp, S.P. Tilton
1978, Open-File Report 78-300-K
The preliminary geomagnetic data included here is made available to scientific personnel and organizations, as part of a cooperative effort and on a data exchange basis because of the early need by some users. To avoid delay, all of the data is copied from original forms processed at the observatory;...
A comparison of rock and soil samples for geochemical mapping of two porphyry-metal systems in Colorado
George J. Neuerburg, H. N. Barton, J.R. Watterson, E. P. Welsch
1978, Open-File Report 78-383
Paired rock and soil samples were collected at widely spaced locations in large segments of the porphyry-metal systems of the Montezuma district in central Colorado and of a northwestward extension of the Summitville district into Crater Creek in southern Colorado. The paired samples do not covary closely enough for one...