Geology of the Empire quadrangle: Grand, Gilpin, and Clear Creek Counties, Colorado /

Economic geology of the Central City District, Gilpin County, Colorado /
by: Sims, P. K. (Paul Kibler), 1918-2011
Published: (1963)

Geology of the Hot Sulphur Springs quadrangle, Grand County, Colorado /
by: Izett, Glen Arthur, 1928-
Published: (1968)

Economic geology of the Georgetown quadrangle (together with the Empire district) Colorado /
by: Spurr, Josiah Edward, 1870-1950
Published: (1908)

Geologic map of the East Portal quadrangle, Boulder, Gilpin, and Grand counties, Colorado /
Published: (1991)

Bedrock geology of the Kassler quadrangle, Colorado /
by: Scott, Glenn R., 1918-2012
Published: (1963)

Geology of the Quartz Creek pegmatite district, Gunnison County, Colorado /
by: Staatz, Mortimer H. (Mortimer Hay), 1918-2004, et al.
Published: (1955)

Economic geology of Gilpin county and adjacent parts of Clear Creek and Boulder counties, Colorado /
by: Bastin, Edson S. (Edson Sunderland), 1878-1953, et al.
Published: (1917)

Geologic map of the Nederland quadrangle, Boulder and Gilpin counties, Colorado /
by: Gable, Dolores J., 1922-2012
Published: (1969)

Geologic map of the Ward quadrangle, Boulder County, Colorado /
by: Gable, Dolores J., 1922-2012
Published: (1976)

Economic geology of the Idaho Springs district, Clear Creek and Gilpin Counties, Colorado /
by: Moench, Robert Hadley, 1926-, et al.
Published: (1966)

Quaternary geology and geomorphic history of the Kassler quadrangle, Colorado /
by: Scott, Glenn R., 1918-2012
Published: (1963)

Geology and ore deposits of the Garfield quadrangle, Colorado /
by: Dings, McClelland G. (McClelland Griffith), 1902-, et al.
Published: (1957)

Geologic map of the Tungsten quadrangle, Boulder, Gilpin, and Jefferson counties, Colorado /
by: Gable, Dolores J., 1922-2012
Published: (1972)

Economic geology of Gilpin county and adjacent parts of Clear Creek and Boulder counties, Colorado /
by: Bastin, Edson S. (Edson Sunderland), 1878-1953, et al.
Published: (1917)

Preliminary geologic map of the Berthoud Pass quadrangle, Clear Creek and Grand counties, Colorado /
by: Theobald, P. K. (Paul Kellogg), 1928-
Published: (1965)

Preliminary geologic map of the Molina quadrangle, Mesa County, Colorado /
by: Donnell, John R. (John Roswell), 1919-2013
Published: (1985)

Geologic map of the Haystack Rock quadrangle, Moffat County, Colorado /
by: Hansen, Wallace R., 1920-
Published: (1980)

Geologic map of the Indian Water Canyon quadrangle, Moffat County, Colorado /
Published: (1979)

Geology and gold deposits of the Cripple Creek District, Colorado /
by: Lindgren, Waldemar, 1860-1939
Published: (1906)

General geology and petrology of the Precambrian crystalline rocks, Park and Jefferson Counties, Colorado /
by: Hawley, C. C. (Charles Caldwell), 1929-, et al.
Published: (1977)

Quaternary geology of the Grand and Battlement Mesas Area, Colorado ; description, distribution, and geologic history of surficial deposits on and adjacent to Grand and Battlement Mesas, western Colorado /
by: Yeend, Warren E., 1936-
Published: (1969)

Geology of the lower Yellow Creek area, northwestern Colorado /
by: Hail, William J. (William James), Jr., 1922-
Published: (1990)

Geology and artesian water supply, Grand Junction area, Colorado.
by: Lohman, S. W. (Stanley William), 1907-1992
Published: (1965)

The geologic story of Colorado National Monument /
by: Lohman, S. W. (Stanley William), 1907-1992
Published: (1981)

Geology and uranium-vanadium deposits of the La Sal quadrangle, San Juan County, Utah, and Montrose county, Colorado /
by: Carter, William Douglas, 1926-, et al.
Published: (1965)

Geologic map of the Masonville quadrangle, Larimer County, Colorado /
by: Braddock, William A., 1929-2003
Published: (1970)

Utilization of mull (forest humus layer) in geochemical exploration in the Empire district, Clear Creek County, Colorado /
Published: (1971)

Geology and petrology of the San Juan region, southwestern Colorado /
by: Larsen, Esper S. (Esper Signius), 1879-1961, et al.
Published: (1956)

Geology and underground waters of the Arkansas Valley in eastern Colorado /
by: Darton, Nelson Horatio, 1865-1948
Published: (1906)

Geology of the salt anticline region in southwestern Colorado /
by: Cater, Fred W. (Fred William), 1912-
Published: (1970)

Geology and beryllium deposits of the Lake George (or Badger Flats) beryllium area, Park and Jefferson Counties, Colorado /
by: Hawley, C. C. (Charles Caldwell), 1929-
Published: (1969)

Geologic history of the Slick Rock district and vicinity, San Miguel and Dolores Counties, Colorado /
by: Shawe, Daniel R., 1925-
Published: (1976)

Cenozoic geology of the Colorado plateau.
by: Hunt, Charles B. (Charles Butler), 1906-1997
Published: (1956)

Physiography and quaternary geology of the San Juan Mountains, Colorado /
by: Atwood, Wallace Walter, 1872-1949
Published: (1932)

Geology and uranium deposits of the Caribou area, Boulder County, Colorado /
by: Moore, Frank B. (Frank Baker), 1912-
Published: (1957)

Petrology and structure of Precambrian rocks, Central City quadrangle, Colorado /
by: Sims, P. K. (Paul Kibler), 1918-2011, et al.
Published: (1967)