The Online Books Page

Books by H. J. Heinen:

Books in the extended shelves:

• Heinen, H. J. (Harold J.): Chloride volatilization and other tests on a gold-copper ore (U.S. Dept. of the Interior, Bureau of Mines, 1949), also by A. L. Engel (page images at HathiTrust)
• Heinen, H. J. (Harold J.): Chloride volatilization of oxidized lead ore from Eureka, Nevada (U.S. Dept. of the Interior, Bureau of Mines, 1958), also by Abraham L. Engel (page images at HathiTrust)
• Heinen, H. J. (Harold J.): Conversion to metal of dimolybdenum carbide electrosynthesized from molybdenite (U.S. Dept. of the Interior, Bureau of Mines, 1965), also by D. H. Baker and C. L. Barber (page images at HathiTrust)
• Heinen, H. J. (Harold J.): Electrodeposition of molybdenum metal from molten electrolytes (U.S. Dept. of the Interior, Bureau of Mines, 1964), also by J. B. Zadra (page images at HathiTrust)
• Heinen, H. J. (Harold J.): Electrowinning molybdenum : preliminary studies (U.S. Dept. of the Interior, Bureau of Mines, 1961), also by J. B. Zadra (page images at HathiTrust)
• Heinen, H. J. (Harold J.): Enhancing percolation rates in heap leaching of gold-silver ores (U.S. Dept. of the Interior, Bureau of Mines, 1979), also by R. E. Lindstrom, G. E. McClelland, and United States Bureau of Mines (page images at HathiTrust)
• Heinen, H. J. (Harold J.): Experimental extraction of gold and silver from California and Nevada ores (U.S. Dept. of the Interior, Bureau of Mines, 1961), also by Abraham L. Engel (page images at HathiTrust)
• Heinen, H. J. (Harold J.): Experimental leaching of gold from mine waste (U.S. Dept. of the Interior, Bureau of Mines, 1969), also by Bern Porter and United States Bureau of Mines (page images at HathiTrust)
• Heinen, H. J. (Harold J.): Experimental treatment of base-metal ores from California and Nevada (U.S. Dept. of the Interior, Bureau of Mines, 1960), also by Abraham L. Engel (page images at HathiTrust)
• Heinen, H. J. (Harold J.): Experimental treatment of Nevada and California fluorspar ores (U.S. Dept. of the Interior, Bureau of Mines, 1961), also by Abraham L. Engel (page images at HathiTrust)
• Heinen, H. J. (Harold J.): Experiments in reducing the phosphorus content of a Nevada iron ore (U.S. Dept. of the Interior, Bureau of Mines, 1959), also by Abraham L. Engel (page images at HathiTrust)
• Heinen, H. J. (Harold J.): Flotation and cyanidation tests on a gold-copper sulfide ore from Cooke, Mont. (U.S. Dept. of the Interior, Bureau of Mines, 1950), also by A. L. Engel (page images at HathiTrust)
• Heinen, H. J. (Harold J.): Influence of repetitive electrolysis on winning molybdenum (U.S. Dept. of the Interior, Bureau of Mines, 1966), also by Don Hobart Baker and United States Bureau of Mines (page images at HathiTrust)
• Heinen, H. J. (Harold J.): Laboratory treatment of California and Nevada manganese ores by sulfation-reduction and other methods (U.S. Dept. of the Interior, Bureau of Mines, 1960), also by Abraham L. Engel (page images at HathiTrust)
• Heinen, H. J. (Harold J.): Leach-precipitation-flotation tests of a California copper-gold ore (U.S. Dept. of the Interior, Bureau of Mines, 1957), also by A. L. Engel (page images at HathiTrust)
• Heinen, H. J. (Harold J.): Malononitrile extraction of gold from ores (U.S. Dept. of Interior, Bureau of Mines, 1970), also by Bernard J. Scheiner, J. A. Eisele, and United States Bureau of Mines (page images at HathiTrust)
• Heinen, H. J. (Harold J.): Preliminary tests of gold and zinc ores from Buzzard mine, Placerville, Calif. (U.S. Dept. of the Interior, Bureau of Mines, 1949), also by A. L. Engel (page images at HathiTrust)
• Heinen, H. J. (Harold J.): Processing gold ores using heap leach-carbon adsorption methods (U.S. Dept. of the Interior, Bureau of Mines, 1978), also by R. E. Lindstrom, David G. Peterson, and United States Bureau of Mines (page images at HathiTrust)
• Heinen, H. J. (Harold J.): Recovery of fumes from chloride volatilization of gold (U.S. Dept. of the Interior, Bureau of Mines, 1949), also by A. L. Engel (page images at HathiTrust)
• Heinen, H. J. (Harold J.): Recovery of gold from arsenopyrite concentrates by cyanidation-carbon adsorption (U.S. Dept. of the Interior, Bureau of Mines, 1980), also by R. E. Lindstrom and G. E. McClelland (page images at HathiTrust)
• Heinen, H. J. (Harold J.): Simulated in situ leaching of copper from a porphyry ore (U.S. Dept. of the Interior, Bureau of Mines, 1973), also by T. G. Carnahan, Reno Metallurgy Research Center, and United States. Bureau of Mines. Innovative Hydrometallurgical Technology Program (page images at HathiTrust)

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