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Page 4133, results 103301 - 103325

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Sand waves, bars, and wind-blown sands of the Rio Orinoco, Venezuela and Colombia
Carl F. Nordin, David Perez-Hernandez
1989, Water Supply Paper 2326-A
During March 1982, a reconnaissance study was carried out along a reach of the Rio Orinoco between Puerto Ayacucho and Ciudad Bolivar. This was the low-flow season. Samples of bed material and suspended sediments were collected, sonic records of the bed were obtained at several locations, and the exposed bars...
Summary and interpretation of geochemical maps for stream sediment and heavy mineral concentrate samples, Mount Hayes Quadrangle, eastern Alaska Range, Alaska
Gary C. Curtin, Richard B. Tripp, Warren J. Nokleberg
1989, Miscellaneous Field Studies Map 1996-B
This report and accompanying maps summarize the results of geochemical exploration studies in the Mount Hayes quadrangle, Alaska. This is one of a series of maps and reports on the geological, geochemical, and geophysical studies of the quadrangle prepared as part of the Alaskan Mineral Resource Assessment Program (AMRAP) of...
Direct-current vertical electrical-resistivity soundings in the Lower Peninsula of Michigan
D.B. Westjohn, P.J. Carter
1989, Open-File Report 89-244
Ninety-three direct-current vertical electrical-resistivity soundings were conducted in the Lower Peninsula of Michigan from June through October 1987. These soundings were made to assist in mapping the depth to brine in areas where borehole resistivity logs and water-quality data are sparse or lacking. The Schlumberger array for placement of current...
Field conditions at the Maricopa Agricultural Center, Pinal County, Arizona, April 9, 1989
Sandra J. Owen-Joyce
1989, Open-File Report 89-377
Field conditions were documented during the SPOT satellite overpass of the Maricopa Agricultural Center, Pinal County, Arizona, on April 9, 1989. Crop types were mapped and photographed for each demonstration farm field, and irrigation, cultivation, and orientation of rows are described. Field and photographic descriptions are presented in tabular and...