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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

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