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Showing: 1 to 10 of 105 matches for "hardwick"  Page   1   2   3   4   5   6   7   8   9  next TITLE Open-Pit Copper Mining Methods And Practices, Copper Cities Division, Miami Copper Co., Gila County, Ariz. ? Summary  SUMMARY ... DIVISION, MIAMI COPPER CO., GILA COUNTY, ARIZ. By W. R. Hardwick and M. M. Stover IJUtif r. r ... GILA COUNTY, ARIZ. By W. R. Hardwick and M. M. Stover ... .. ... AUTHOR Hardwick, W. R. PUBLISHED 1960 TITLE Open-Pit Copper Mining And Concentrating Methods And Costs, Silver Bell Unit, American Smelting And Refining Co., Pima County, Ariz. ? Introduction  SUMMARY ... By W. R. Hardwick UNITED STATES DEPARTMENT OF THE INTERIOR ... By W. R. Hardwick • • • • • information circular 8153 ... AUTHOR Hardwick, W. R. PUBLISHED 1963 TITLE Open-Pit Copper Mining And Concentrating Methods And Costs, Silver Bell Unit, American Smelting And Refining Co., Pima County, Ariz. ? Introduction  SUMMARY ... By W. R. Hardwick UNITED STATES DEPARTMENT OF THE INTERIOR ... By W. R. Hardwick • • • • • information circular 8153 ... AUTHOR Hardwick, W. R. PUBLISHED 1963 TITLE Open-Pit Copper Mining Methods At New Cornelia Branch, Phelps Dodge Corp., Pima County, Ariz. ? Summary And Introduction  SUMMARY ... DODGE CORP., PIMA COUNTY, ARIZ. By W. R. Hardwick 1910 1960 Ill.' E U F '.1"" LI ! r< ... DODGE CORP., PIMA COUNTY, ARIZ. By W. R. Hardwick • · .. · ... AUTHOR Hardwick, W. R. PUBLISHED 1960 TITLE Fracturing Hard Rock With Nuclear Explosives And Extraction Of Ore By A Modified Block-Caving Method  SUMMARY ... By W. R. Hardwick .If. .If. .If. ... Hardwick, William R Fracturing hard rock with nuclear explosives and extrac- tion of are by a modified block-caving method. ... AUTHOR Hardwick, W. R. PUBLISHED 1970 TITLE Fracturing A Deposit With Nuclear Explosives And Recovering Copper By The In-Situ Leaching Method  SUMMARY ... By William R. Hardwick ... Hardwick, William R Fracturing a deposit with nuclear explosives and recover- ing copper by the in-situ leaching method. ... AUTHOR Hardwick, William R. PUBLISHED 1967 TITLE Open-Pit Copper Mining Methods, Morenci Branch, Phelps Dodge Corp. Greenlee County, Ariz. ? Summary And Introduction  SUMMARY ... By W. R. HARDWICK ... Hardwick, William R. Open-pit copper mining met hod ,, )lol'ellci Branch, Phelps Dodc::r (o1'p., Gr Collie C tlllt), Ariz. "'nsltington, (.S. ... AUTHOR Hardwick, W. R. PUBLISHED 1959 TITLE Open-Pit Mining Methods And Practices At The Chino Mines Division, Kennecott Copper Corp, Grant County, N. Mex. - Summary And Introduction  SUMMARY Page 1. OPEN-PIT MINING METHODS AND PRACTICES AT THE CHINO MINES DIVISION, KENNECOTT COPPER CORP., GRANT COUNTY, N. MEX. By W. R. Hardwick * * * * . ... AUTHOR Hardwick, W. R. PUBLISHED 1958 TITLE The Colorimetric Determination of Molybdenum in Soils, Sediments, and Rocks by Zinc Dithiol  SUMMARY ... and a colorimetric determination is usually carried out after an alkaline fusion (North, 1956), or fusion with potassium bisulphate (Stanton and Hardwick, 1967 ... PUBLISHED 1970 TITLE The Devonian-Carboniferous Intracratonic Burdekin Basin, North Queensland: III. Siliciclastic-Carbonate Facies of the Keelbottom Group  SUMMARY ... the retreat of Braidplain Delta facies to the northwest and the deposition of another Siliciclastic Shoreline facies representing the basal Hardwick Formation. ... AUTHOR Lang S C ; Draper J J PUBLISHED 1990 Showing: 1 to 10 of 105 matches for "hardwick"  Page   1   2   3   4   5   6   7   8   9  next Search Again