Geologic map of the northernmost Gore Range and southernmost Northern Park Range, Grand, Jackson, and Routt Counties, Colorado /

Surficial geologic map of the Walden 30ʹ x 60ʹ quadrangle, Jackson, Larimer, and Routt counties, Colorado /
Published: (1991)

Mineral resources of the Mount Zirkel Wilderness and northern Park Range vicinity, Jackson and Routt counties, Colorado /
by: Snyder, George L. (George Leonard), 1927-, et al.
Published: (1987)

Geologic and mineral resource potential map of the Service Creek roadless area, Routt County, Colorado /
by: Schmidt, Paul W.
Published: (1984)

Surficial geologic map of the Craig 1/2⁰ x 1⁰ quadrangle, Moffat and Routt counties, Colorado /
by: Madole, Richard F., 1936-
Published: (1982)

Geologic map of the Craig 1⁰ x 2⁰ quadrangle, northwestern Colorado /
by: Tweto, Ogden, 1912-1983
Published: (1976)

Geologic, energy and mineral resources maps of Routt county Colorado /
by: Miller, A. E.
Published: (1975)

Preliminary geologic map of the Bowen Mountain quadrangle, Grand and Jackson Counties, Colorado /
by: Cole, James C.
Published: (2011)

Geology and mineral fuels of parts of Routt and Moffat Counties, Colorado /
by: Bass, N. Wood (Nathan Wood), 1893-1979, et al.
Published: (1955)

Geologic map of the Clark Peak quadrangle, Jackson and Larimer Counties, Colorado /
by: Kellogg, Karl S.
Published: (2008)

Geologic map of the Mount Richthofen quadrangle and the western part of the Fall River Pass quadrangle, Grand and Jackson Counties, Colorado /
by: O'Neill, J. Michael
Published: (1981)

Geologic map of the Colorado Springs - Castle Rock area, Front Range urban corridor, Colorado /
by: Trimble, Donald E.
Published: (1979)

Geologic map of the Fort Collins 30' by 60' quadrangle, Larimer and Jackson Counties, Colorado, and Albany and Laramie Counties, Wyoming /
Published: (2018)

Map showing potential sources of gravel and crushed-rock aggregate in the Colorado Springs-Castle Rock area, Front Range urban corridor, Colorado /
by: Trimble, Donald E.
Published: (1974)

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

Geologic map and sections of the Holy Cross quadrangle, Eagle, Lake, Pitkin, and Summit counties, Colorado /
by: Tweto, Ogden, 1912-1983
Published: (1974)

Geologic map of the Mount Lincoln 15-minute quadrangle, Eagle, Lake, Park, and Summit Counties, Colorado /
by: Tweto, Ogden, 1912-1983
Published: (1974)

A disseminated silver-lead-zinc sulfide occurrence at Hahns Peak, Routt County, Colorado /
by: Young, Edward J. (Edward Joseph), 1923-, et al.
Published: (1973)

Geologic and structural maps and sections of the Marshall Pass Mining District, Saguache, Gunnison, and Chaffee counties, Colorado /
by: Olson, J. C. (Jerry Chipman), 1917-2013
Published: (1983)

Geologic map of the Alamosa 30' X 60' minute quadrangle, south-central Colorado /
Published: (2015)

Geologic map of the eastern half of the Vail 30ʹ x 60ʹ quadrangle, Eagle, Summit, and Grand Counties, Colorado
by: Kellogg, Karl S.
Published: (2011)

Geologic map of the eastern half ot the Vail 30ʹ x 60ʹ quadrangle, Eagle, Summit, and Grand Counties, Colorado /
by: Kellogg, Karl S.
Published: (2011)

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

Geologic map of the Lafayette quadrangle, Adams, Boulder, and Jefferson counties, Colorado /
by: Machette, Michael N.
Published: (1977)

Geologic map of the Arvada quadrangle, Adams, Denver, and Jefferson Counties, Colorado /
by: Lindvall, Robert M. (Robert Marcus), 1916-
Published: (1979)

Geologic map of the Washboard Rock quadrangle, Gunnison, Montrose, and Ouray counties, Colorado /
Published: (1987)

Geologic map of the Poncha Pass area, Chaffee, Fremont, and Saguache Counties, Colorado /
Published: (2019)

Geologic map of the Buckhorn Lakes quadrangle, Gunnison, Montrose, and Ouray Counties, Colorado /
by: Dickinson, R. G. (Robert G.)
Published: (1987)

Photogeologic map of the Escalante Forks quadrangle, Mesa, Montrose and Delta Counties, Colorado /
by: Hackman, Robert J.
Published: (1958)

Geologic map of the Cover Mountain quadrangle, Fremont, Park, and Teller Counties, Colorado /
by: Wobus, Reinhard A.
Published: (1979)

Geologic map of the Courthouse Mountain quadrangle, Gunnison, Hinsdale, and Ouray counties, Colorado /
Published: (1988)

Geologic map of the Fort Logan quadrangle, Jefferson, Denver and Arapahoe Counties, Colorado /
by: Lindvall, Robert M. (Robert Marcus), 1916-
Published: (1978)

Stratigraphic sections, depositional environments, and metal content of the upper part of the Middle Pennsylvanian Minturn Formation, northern Sangre De Cristo Range, Custer and Saguache Counties, Colorado /
Published: (1985)

Geologic map of the Homestake 7.5' quadrangle, Lake, Pitkin, and Eagle Counties, Colorado /
Published: (2020)

General geology of the Hahns Peak and Farwell Mountain quadrangles, Routt County, Colorado /
by: Segerstrom, Kenneth, 1909-1992, et al.
Published: (1972)

Reconnaissance geologic map of the Medano Pass quadrangle and part of the Liberty quadrangle, Alamosa, Huerfano, and Saguache counties, Colorado /
Published: (1989)

Reconnaissance geologic map of parts of the Twin Peaks and Blanca Peak quadrangles, Alamosa, Costilla, and Huerfano counties, Colorado /
Published: (1991)