Bucyrus Oldtimers Association UA
History of Bucyrus® => History of the Bucyrus® Company => Topic started by: Administrator on June 10, 2012, 09:50:49 pm
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http://beoldtimers.org/history/Rotary blasthole drills.PDF (http://beoldtimers.org/history/Rotary blasthole drills.PDF)