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Page 5281, results 132001 - 132025

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Map showing faults with Quaternary displacement, northeastern San Francisco Bay region, California
Edward J. Helley, Darrell G. Herd
1977, Miscellaneous Field Studies Map 881
This map shows faults with Quaternary displacement in the northeast San Francisco Bay region of California. Faults that have been historically active or that show evidence of movement during approximately the last 2 million years (the Quaternary Period) are delineated and are classified according to the age of their last...
Density and porosity estimates from borehole gravity data in the Castle Pines #3, #2, and #1 water wells, Douglas County, Colorado
Keith A. Byerley, J. W. Schmoker
1977, Open-File Report 77-875
Borehole gravity surveys were carried out in the Castle Pines #3, #2, and #1 water wells using the U.S. Geological Survey-LaCoste and Romberg borehole gravity meter (McCulloh and others, 1967a; McCulloh and others, 1967b). The objectives were to estimate the density and porosity of the formations penetrated, and to determine...
Computation of backwater and discharge at width constrictions of heavily vegetated flood plains
V.R. Schneider, J.W. Board, B.E. Colson, F.N. Lee, Leroy Druffel
1977, Water-Resources Investigations Report 76-129
The U.S. Geological Survey, cooperated with the Federal Highway Administration and the State Highway Departments of Mississippi, Alabama, and Louisiana, to develop a proposed method for computing backwater and discharge at width constrictions of heavily vegetated flood plains. Data were collected at 20 single opening sites for 31 floods. Flood-plain...
Interpretation of an aeromagnetic anomaly in McMullen and Live Oak counties, Texas
Joseph S. Duval, R.A. Martin
1977, Open-File Report 77-768
An anomaly about 300 gammas in amplitude has been observed in data from an aerial magnetic survey flown over parts of Duval, Live Oak, McMullen, and Webb Counties, Tex. A two-and-one-half-dimensional model was used to iterpret the data, and the anomaly is apparently caused by a large mafic body centered...