Geology and ore deposits of the Lawson-Dumont-Fall River district, Clear Creek County, Colorada,
by C. C. Hawley and Frank Baker Moore.
- Washington, U.S. Govt. Print. Off., 1967.
- vi, 92 p. illus., maps (part fold., 3 col., in pocket) 24 cm.
- Geological Survey bulletin 1231. .
- Geological Survey (U.S.). Bulletin ; 1231. .
Prepared on behalf of the U. S. Atomic Energy Commission.