Books by Richard N. Spencer:
Books in the extended shelves:
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Spencer, Richard N.: Electric smelting of complex lead-zinc sinter (U.S. Dept. of the Interior, Bureau of Mines, 1967), also by J. E. Mauser and Seth C. Schaefer (page images at HathiTrust)- Spencer, Richard N.: Monazite placer examinations in Southwestern Montana : preliminary report for the Atomic Energy Commission (Oak Ridge, Tennessee : United States Atomic Energy Commission, Technical Information Service, 1953., 1953), also by U.S. Atomic Energy Commission. Technical Information Service (page images at HathiTrust)
- Spencer, Richard N.: Multiple zone mining plus beneficiation of western phosphate rock : a cost estimate and comparison with selective mining (U.S. Dept. of Interior, Bureau of Mines, 1971), also by United States Bureau of Mines (page images at HathiTrust)
- Spencer, Richard N.: Slime settling tests Idaho-Canadian dredge pond slimes : preliminary report for the Atomic Energy Commission (Oak Ridge, Tennessee : United States Atomic Energy Commission, Technical Information Service, 1953., 1953), also by U.S. Atomic Energy Commission. Technical Information Service (page images at HathiTrust)
Find more by Richard N. Spencer at your library, or elsewhere.