Research Catalog

  • Preliminary geologic map of the Roberts Mountain quadrangle, Lewis and Clark County, Montana / by Robert George Schmidt and Ceylon P. Strong, Jr.

    • Cartographic
    • Washington, D.C. : U.S. Geological Survey, 1968.
    • 1968
    • 1 Item
    FormatCall NumberItem Location
    Cartographic MapOff-site
  • Geologic map of the Roberts Mountain quadrangle, Lewis and Clark County, Montana / Department of the Interior, United States Geological Survey ; by Robert George Schmidt and Ceylon P. Strong, Jr.

    • Cartographic
    • 1972
    • 1 Item
    FormatCall NumberItem Location
    Cartographic MapOff-site

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