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  1. 1
    A simplified economic filter for open-pit gold-silver mining in the United States /
    by Singer, D. A.
    Published 1998
    Government Document Microform Book
  2. 2
    Environmental characteristics of the abandoned Greenwood Mine area, Prince William Forest Park, Virginia : implications for mercury geochemistry /
    by Seal, Robert R.
    Published 1998
    Government Document Microform Book
  3. 3
    Lode gold deposits of Round Mountain, Nevada /
    by Tingley, Joseph V.
    Published 1985
    Book
  4. 4
    Analytical data for gold in geological materials from Butte 1 x 2?quadrangle, Montana /
    Government Document Book
  5. 5
    Reconnaissance investigations of ancient gold mines in the southern part of the Wadi Bidah District, Jabal Ibrahim and Al Aqiq quadrangles, Kingdom of Saudi Arabia /
    by Worl, Ronald G.
    Published 1982
    Government Document Book
  6. 6
    Preliminary mineralogic, fluid inclusion, and stable isotope study of the Mahd Adh Dhahab gold mine, Kingdom of Saudi Arabia /
    Published 1983
    Government Document Book
  7. 7
    Bald Mountain gold mining region, northern Black Hills, South Dakota /
    Government Document Book
  8. 8
    Underground geologic maps of the Golden Wonder Mine, Lake City, Hinsdale County, Colorado /
    Published 1983
    Government Document Microform Map
  9. 9
    United States gold terranes.
    Published 1989
    Government Document Book
  10. 10
    Geology of the Ar Rahail ancient gold mine, Kingdom of Saudi Arabia /
    by White, W. H. (Willis H.)
    Published 1987
    Government Document Microform Book
  11. 11
    Gold in placer deposits.
    Published 1990
    Government Document Book
  12. 12
    Map showing the location of productive lode and placer gold mines in Montana /
    Published 1992
    Government Document Map
  13. 13
    Geochemical reconnaissance of the Blue Hill and Gregory Hill gold mines and vicinity, Tallapoosa County, Alabama /
    Published 1993
    Government Document Map
  14. 14
    Geochemical analyses of ore and host rocks, Sleeper gold-silver deposit, Humboldt County, Nevada /
    Published 1990
    Government Document Microform Book
  15. 15
    Data used to prepare a map showing the location of significant gold mines in Montana /
    Published 1990
    Government Document Microform Book
  16. 16
    Geochemical signatures of silver and gold deposits, Tonopah 1 x 2 quadrangle, Nevada : description and applications to exploration /
    Government Document Book
  17. 17
    Geologic framework and environmental geology of the Summitville, Colorado acid-sulfate mineral deposit.
    by Gray, John E., 1956-
    Published 1993
    Government Document Microform Book
  18. 18
    Analytical results, mineralogical data, and distributions of anomalies for elements and minerals in three mother lode-type gold deposits, Hodson mining district, Calaveras County, California.
    by Chaffee, Maurice A.
    Published 1994
    Government Document Microform Book
  19. 19
    Secondary mineralogy of altered rocks, Summitville Mine, Colorado.
    Published 1995
    Government Document Microform Book
  20. 20
    An update on USGS studies of the Summitville mine and its downstream environmental effects.
    by Plumlee, Geoffrey S.
    Published 1995
    Government Document Microform Book
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