Pre-Cambrian rocks of Gunnison river, Colorado,
Hunter, John Frederick, 1888-1917.
Pre-Cambrian rocks of Gunnison river, Colorado, by J. Frederick Hunter. - Washington, Govt. print. off., 1925. - vi, 94 p. illus, xv pl. (incl. fold. map (in pocket)) 23 cm. - U.S. Geological survey. Bulletin 777 .
At head of title: Department of the interior. Issued also as thesis (Ph. D.) Johns Hopkins university, 1912. Plates printed on both sides.
gs 25000400
Geology--Colorado--Gunnison River Valley.
Geology, Stratigraphic--Precambrian.
QE75 / .B9 no. 777
Pre-Cambrian rocks of Gunnison river, Colorado, by J. Frederick Hunter. - Washington, Govt. print. off., 1925. - vi, 94 p. illus, xv pl. (incl. fold. map (in pocket)) 23 cm. - U.S. Geological survey. Bulletin 777 .
At head of title: Department of the interior. Issued also as thesis (Ph. D.) Johns Hopkins university, 1912. Plates printed on both sides.
gs 25000400
Geology--Colorado--Gunnison River Valley.
Geology, Stratigraphic--Precambrian.
QE75 / .B9 no. 777