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Quarry at Oshkosh, Wis, covers area of 14 acres; 4 to 5 ft overburden removed with power shovel; 4-ft stratum of shale rock is crushed for road stone; bottom stratum is hard dolomite, which extends for 100 ft; blasting performed with delayed action caps; primary crusher is 24-in. gyratory type rated at 100-cu yd per hr capacity.
Quarry at Oshkosh, Wis, covers area of 14 acres; 4 to 5 ft overburden removed with power shovel; 4-ft stratum of shale rock is crushed for road stone; bottom stratum is hard dolomite, which extends for 100 ft; blasting performed with delayed action caps; primary crusher is 24-in. gyratory type rated at 100-cu yd per hr capacity.
From dimension stone to agstone
Rock Products
Mocine, D. (Autor:in)
Rock Products ; 52
1949
2 pages
Aufsatz (Zeitschrift)
Englisch
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Producing agstone hydraulically
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