Pit & Quarry, February 2016
EVOLUTION SERIES EXCAVATING AND DREDGING 1965 P H Electric Mining Shovels included electric motors and generators The shovels gear train components were precision cut from high strength steel 1974 Peoria Concrete Construction Co in Peoria Ill used a 155 ft Fabco dredge with a 90 ft chain ladder to recover sand and gravel from 60 to 70 ft below water level 56 PIT QUARRY February 2016 www pitandquarry com
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