Pitchblende deposits at the Wood and Calhoun mines, Central City mining district, Gilpin County, Colo.,
Moore, Frank B. 1912-
Pitchblende deposits at the Wood and Calhoun mines, Central City mining district, Gilpin County, Colo., by F.B. Moore and C.R. Bulter. - Washington, 1952. - 8 p. maps (1 fold. in pocket) diagrs. (2 in pocket) 27cm. - Geological survey circular 186 . - Geological Survey (U.S.). Circular ; 186. .
"References cited": p. 8.
gs 52000268
Pitchblende.
QE75 / .C5 no. 186
553.49
Pitchblende deposits at the Wood and Calhoun mines, Central City mining district, Gilpin County, Colo., by F.B. Moore and C.R. Bulter. - Washington, 1952. - 8 p. maps (1 fold. in pocket) diagrs. (2 in pocket) 27cm. - Geological survey circular 186 . - Geological Survey (U.S.). Circular ; 186. .
"References cited": p. 8.
gs 52000268
Pitchblende.
QE75 / .C5 no. 186
553.49