and distilled pine productions since 1899. THE MINES HANDBOOK, 1922 The FLOTATION PROCESS MINERALS...zinc, lead, gold, silver, graphite, molybdenum, mercury, etcetera. The Corporation is prepared to grant...New York, N. Y. San Francisco, California. THE MINES HANDBOOK, 1922 MACHINERY FOR MINE • MILL SMELTER...Preserving Machinery WISCONSIN. U.S.A. THE MINES HANDBOOK, 1922 Meeting the Needs Hundreds of plants...New York City. ( INTERNATIONAL EDITION THE MINES HANDBOOK SUCCEEDING THE COPPER Founded HANDBOOK |