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Page 4202, results 105026 - 105050

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The isotopic composition of ore lead of the Creede mining district and vicinity, San Juan Mountains, Colorado: Text of a talk presented at the San Juan Mountains symposium to honor Thomas A. Steven; Rocky Mountain Section meeting of the Geological Society of America, May 2, 1987, Boulder, Colorado
N.K. Foley, P.B. Barton, P. M. Bethke, B. R. Doe
1988, Open-File Report 88-510
Galenas from the major Creede veins and their northern extensions are remarkably homogeneous in Pb-isotopic composition and are too radiogenic to have been derived from any magma comparable in composition to the principal volcanic rocks. This pattern was identified by Doe et al. in 1979 who proposed that the lead...
Runoff for selected sites in Shenandoah National Park, Virginia, July 18, 1981, through July 17, 1982
W.A. Gebert, David J. Graczyk, William R. Krug
1988, Open-File Report 88-98
Estimates of runoff for 56 sites within the Shenandoah National Park were made by the U.S. Geological Survey for the Direct/Delayed Response Project that is being conducted by the U.S. Environmental Protection Agency. The purpose of that project is to determine the long-term effects of acidic deposition on surface-water chemistry....
Radionuclides in ground water at the Idaho National Engineering Laboratory, Idaho
LeRoy L. Knobel, Larry J. Mann
1988, Open-File Report 88-731
Sampling for radionuclides in groundwater was conducted at the Idaho National Engineering Laboratory during September to November 5 1987. Water samples from 80 wells that obtain water from the Snake River Plain aquifer and 1 well that obtains water from a shallow, discontinuous perched-water body at the Radioactive Waste Management...