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Page 5004, results 125076 - 125100

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Rubidium-strontium geochronology and plate-tectonic evolution of the southern part of the Arabian Shield
Robert J. Fleck, W.R. Greenwood, D.G. Hadley, R.E. Anderson, D. L. Schmidt
1980, Professional Paper 1131
Rubidium-strontium studies of Precambrian volcanic and plutonic rocks of the Arabian Shield document an early development of the Arabian craton between 900 and 680 m.y. (million years) ago. Geologic studies indicate an island-arc environment characterized by andesitic (dioritic) magmas, volcaniclastic sedimentation, rapid deposition, and contemporaneous deformation along north or northwest-trending...
Field data describing the movement and storage of sediment in the East Fork River, Wyoming: Part II, Bed elevations, 1979
Robert H. Meade, Robert M. Myrick, William W. Emmett
1980, Open-File Report 80-1190
At 39 cross sections in a 3.3-kilometer reach of East Fork River Wyo., bed elevations were measured daily during a month-long period that included the peak snowmelt runoff. Elevations were measured at less frequent intervals for a week before and several weeks after peak runoff. Considerable scour and fill was...
Approximate water-level changes in wells in the Chicot and Evangeline aquifers in the Houston-Galveston region, Texas, 1977-80 and 1979-80
R.K. Gabrysch, C.E. Ranzau Jr.
1980, Open-File Report 80-337
This report, which was prepared in cooperation with the cities of Houston and Galveston, the Harris Galveston Coastal Subsidence Distract, and the Texas Department of Water Resources, presents data on water-level changes during 1977-80 and 1979-80 in the Chicot and Evangelina aquifers (figs. 1-4).  During these periods, ground water pumping...