Rock units of the Precambrian basement in Colorado /

Autor Tweto, Ogden, 1912-1983
Vydáno 1987

Gravity and magnetic features as related to geology in the Leadville 30-minute quadrangle, Colorado /

Autor Tweto, Ogden, 1912-1983, Case, James E., 1933-
Vydáno 1972

Geology and ore deposits of the Boulder County Tungsten district, Colorado /

Autor Lovering, Thomas Seward, 1896-1991, Tweto, Ogden, 1912-1983
Vydáno 1953

Geology of the Minturn 15-minute quadrangle, Eagle and Summit Counties, Colorado /

Autor Tweto, Ogden, 1912-1983, Lovering, Thomas Seward, 1896-1991
Vydáno 1977

Ore deposits of the Gilman District, Eagle County, Colorado /

Autor Lovering, Thomas Seward, 1896-1991, Tweto, Ogden, 1912-1983, Lovering, T. G. 1921-1996
Vydáno 1978

The Precambrian of the Rocky Mountain region /

Autor Hedge, Carl E., Houston, Robert Stroud, 1923-, Tweto, Ogden, 1912-1983, Peterman, Zell E., Harrison, Jack Edward, 1924-1995, Reid, Rolland R.
Vydáno 1986