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Map showing radon potential of rocks and soils in Fairfax County, Virginia
James K. Otton, R. Randall Schumann, Douglass E. Owen, Nelson Thurman, Joseph S. Duval
1988, Miscellaneous Field Studies Map 2047
Since 1984, indoor radon has gained national attention as a significant health hazard in the United States. Radon is a colorless, odorless, radioactive gas derived from uranium by radioactive decay. The U.S. Environmental Protection Agency (EPA) now projects that 5,000 to 20,000 lung-cancer deaths per year may be attributed to...
Map showing radon potential of rocks and soils in Montgomery County, Maryland
L.C. Gundersen, G.M. Reimer, C.R. Wiggs, C. A. Rice
1988, Miscellaneous Field Studies Map 2043
This report summarizes the radon potential of Montgomery County in the context of its geology. Radon is a naturally occurring gas produced by the radioactive decay of uranium. Radon produced by uraniferous rocks and soils may enter a house through porous building materials and through openings in walls and floors....
Aeromagnetic and gravity anomaly maps and a hydrothermal veins favorability map of the Wallace 1 degree by 2 degrees Quadrangle, Montana and Idaho
M. Dean Kleinkopf, Jack E. Harrison, Viki Bankey
1988, Miscellaneous Field Studies Map 1354-E
This map is part of a folio of maps of the Wallace 1° x 2° quadrangle, Montana and Idaho, compiled as part of the Conterminous united States Mineral Assessment Program (CUSMAP).  Background information about this folio is published in U.S. Geological Survey Circular 920.  CUSMAP is designed to systematically assess...
Maps showing distribution of anomalies based on the use of scoresum plots for selected groupings of elements in samples of minus-60-mesh (0.25-MM) stream sediment, Walker Lake 1 degree by 2 degrees Quadrangle, California and Nevada
M.A. Chaffee
1988, Miscellaneous Field Studies Map 1382-L
This report is part of a folio of maps of the Walker Lake 1o x 2o quadrangle, California and Nevada, prepared under the Conterminous United States Mineral Assessment Program. The folio includes geological, geochemical, and geophysical maps, as well as mineral resources assessment maps, which identify selected known or possible mineral-deposit environments...
Geochemical survey of the Tray Mountain Roadless Area, northern Georgia
R. P. Koeppen, A. E. Nelson
1988, Miscellaneous Field Studies Map 1347-B
The Wilderness Act (Public Law 88-577, September 3, 1964) and related acts require the U.S. Geological Survey and U.S. Bureau of Mines to survey certain areas on Federal lands to determine their mineral values, if any, that might be present.  Results must be made available to the public and be...