The Online Books Page

Books by R. U. Johnson:

Books in the extended shelves:

• Johnson, R. U.: Amenability testing of additional samples from the Ambrosia Lake District : topical report WIN-64 (Winchester, Massachusetts : National Lead Company, Inc., Raw Materials Development Laboratory, 1958., 1958), also by E. J. Hammond, H. I. Viklund, National Lead Company, and U.S. Atomic Energy Commission (page images at HathiTrust)
• Johnson, R. U.: Amenability testing of LaBajada ore : topical report WIN-91 (Winchester, Massachusetts : National Lead Company, Inc., Raw Materials Development Laboratory, 1958., 1958), also by National Lead Company and U.S. Atomic Energy Commission (page images at HathiTrust)
• Johnson, R. U.: Amenability testing of Lakeview ores : topical report WIN-74 (Winchester, Massachusetts : National Lead Company, Inc., Raw Materials Development Laboratory, 1957., 1957), also by D. R. George, National Lead Company, and U.S. Atomic Energy Commission (page images at HathiTrust)
• Johnson, R. U.: Amenability testing of ore samples from the Gas Hills District of Wyoming : topical report WIN-97 (Winchester, Massachusetts : National Lead Company, Inc., Raw Materials Development Laboratory, 1958., 1958), also by H. I. Viklund, E. J. Hammond, National Lead Company, and U.S. Atomic Energy Commission (page images at HathiTrust)

Find more by R. U. Johnson at your library, or elsewhere.