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Showing: 1 to 10 of 2310 matches for "hanna"  Page   1   2   3   4   5   6   7   8   9  next TITLE Open-Pit Iron Mining, Milling, And Costs, Groveland Mine, The Hanna Mining Co., Dickinson County, Mich.  SUMMARY ... OPEN-PIT IRON MINING, MILLING, AND COSTS, GROVELAND MINE, THE HANNA MINING CO., ... OPEN-PIT IRON MINING, MILLING, AND COSTS, GROVELAND MINE, THE HANNA MINING CO., ... AUTHOR Heising, Leonard F. PUBLISHED 1963 TITLE Open-Pit Iron Mining, Milling, And Costs, Groveland Mine, The Hanna Mining Co., Dickinson County, Mich.  SUMMARY ... OPEN-PIT IRON MINING, MILLING, AND COSTS, GROVELAND MINE, THE HANNA MINING CO., ... OPEN-PIT IRON MINING, MILLING, AND COSTS, GROVELAND MINE, THE HANNA MINING CO., ... AUTHOR Heising, Leonard F. PUBLISHED 1963 TITLE Mining Multiple Seam-Steeply Dipping Coal In The Hanna Basin  SUMMARY Page 1. MINING MULTIPLE SEAM-STEEPLY DIPPING COAL IN THE HANNA BASIN i R. Pixler ... q$' Page 2. Mining Mu1 tiple Seam-Steeply Dipping Coal In The Hanna Basin ... AUTHOR Pixler, R. PUBLISHED 1986 TITLE Active List Of Permissible Explosives And Blasting Devices Approved Before Jan. 1,1965  SUMMARY ... 1,1965 By N. E. Hanna and P. A. Richardson • • • .. ... Page 2. This has been as follows: Hanna, Norman E Active list of and blasting devices before Jan. ... AUTHOR Hanna, N. E. PUBLISHED 1965 TITLE Active List Of Permissible Explosives And Blasting Devices Approved Before Jan. 1, 1965  SUMMARY ... 1,1965 By N. E. Hanna and P. A. Richardson • • • .. ... Page 2. This has been as follows: Hanna, Norman E Active list of and blasting devices before Jan. ... AUTHOR Hanna, N. E. PUBLISHED 1965 TITLE Mining Engineering News  SUMMARY ... Hollinger Consolidated Gold Mines Ltd., of Canada, in association with the MA Hanna Co. ... Mining Engineering ZW Hanna Subsidiaries in U. S. Nickel Project ... PUBLISHED 1953 TITLE Active List Of Permissible Explosives And Blasting Devices Approved Before February 28, 1961 ? Summary  SUMMARY ... By N. E. Hanna BUREAtl OF MINES LIBRARY SPI) r. 1', 1'1 , /-," H MAY 2 11962 !LEASE RE TURN JO LI BRARY ... APPROVED BEFORE FEBRUARY 28, 1961 J By N. E. Hanna ,- ... AUTHOR Hanna, N. E. PUBLISHED 1962 TITLE Pressure Pulses Produced By Underground Blasts  SUMMARY ... BY UNDERGROUND BLASTS By N. E. Hanna and M. G. Zabetakis ... Hanna, .:"Jorman E Pressure pulses produced by underground blasts, by N. E. Hanna and M. G. Zabetakis. ... AUTHOR Hanna, N. E. PUBLISHED 1968 TITLE Design Of Coal Mine Entry Intersections  SUMMARY ... DESIGN OF COAL MINE ENTRY INTERSECTIONS K. Hanna D. P. Conover ... Page 2. 1 "DESIGN OF COAL MINE ENTRY INTERSECTIONS" K. Hanna and D. Conover, Mining Engineers ... AUTHOR Hanna, K. PUBLISHED 1988 TITLE Application Of Geology At The Butler And National Taconite Operations On The Mesabi Range ? Introduction  SUMMARY ... AND I II NATIONAL TACONITE OPERATIONS ON THE I MESABI RANGE I I John S. Owens, District Geologist The Hanna Mining Company Hibbing, Minnesota ... AUTHOR Owens, John S. PUBLISHED 1968 Showing: 1 to 10 of 2310 matches for "hanna"  Page   1   2   3   4   5   6   7   8   9  next Search Again