Geology and coal resources of the Walsenburg Area, Huerfano County, Colorado /

Autor Johnson, Ross B., 1919-
Vydáno 1958

Geology and ore deposits of the Freeland-Lamartine District, Clear Creek County, Colorado : geology and ore deposits of Clear Creek, Gilpin, and Larimer Counties, Colorado /

Autor Harrison, Jack Edward, 1924-1995, Wells, John David, 1926-2013
Vydáno 1956

Meeker and Loyd Sandstone members of the Mancos Shale, Moffat and Rio Blanco Counties, Colorado /

Autor Dyni, John R., 1932-, Cullins, Henry L.
Vydáno 1965

Geology and coal resources of the Starkville-Weston area, Las Animas County, Colorado /

Autor Wood, Gordon H. 1919-1986, Johnson, Ross B., 1919-, Dixon, George H.
Vydáno 1957

Uranium deposits in the Eureka Gulch area, Central City district Gilpin County, Colorado : geology and ore deposits of Clear Cree, Gilpin, and Larimer Counties, Colorado /

Autor Sims, P. K. 1918-2011, Osterwald, Frank W., 1922-1989, Tooker, Edwin W., 1923-2013
Vydáno 1955

Preliminary report on oil-shale resources of Piceance Creek Basin Northwestern Colorado : contributions to economic geology /

Autor Donnell, John Roswell
Vydáno 1957

Zoning of the Bitter Creek vanadium-uranium deposit Near Uravan, Colorado : contributions to economic geology /

Autor Heyl, Allen V. 1918-2008
Vydáno 1957