The Online Books Page

Books by Paul W. Johnson:

Books in the extended shelves:

• Johnson, Paul W.: An Evaluation of an ammonium sulfate leaching process for recovering manganese from Minnesota and Maine resources (U.S. Dept. of the Interior, Bureau of Mines, 1968), also by Ralph C. Kirby, Frank A. Peters, John J. Henn, and United States Bureau of Mines (page images at HathiTrust)
• Johnson, Paul W.: Methods for producing alumina from clay : an evaluation of a lime-soda sinter process (U.S. Dept. of the Interior, Bureau of Mines, 1967), also by Ralph C. Kirby, John J. Henn, Frank A. Peters, and United States Bureau of Mines (page images at HathiTrust)
• Johnson, Paul W.: Methods for producing alumina from clay : an evaluation of two lime sinter processes (U.S. Dept. of the Interior, Bureau of Mines, 1969), also by Frank A. Peters, Earle B. Amey, John J. Henn, and United States Bureau of Mines (page images at HathiTrust)

Find more by Paul W. Johnson at your library, or elsewhere.