Books by Frank W. Kuehnel:
Books in the extended shelves:
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Kuehnel, Frank W.: A Diamond drilling project on the 1040 level of the radium vein at the Caribou Mine, Boulder County, Colorado (Denver, Colorado : U.S. Atomic Energy Commission, Division of Raw Materials, Denver Exploration Branch, 1954., 1954), also by U.S. Atomic Energy Commission. Division of Raw Materials. Denver Exploration Branch (page images at HathiTrust)
Find more by Frank W. Kuehnel at your library, or elsewhere.