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Blasting practice at the quarry of New Haven Trap Rock Co
Practice of trap quarry producing annually from 750,000 to 1,000,000 tons; tunnel used; diagram of shot firing.
Blasting practice at the quarry of New Haven Trap Rock Co
Practice of trap quarry producing annually from 750,000 to 1,000,000 tons; tunnel used; diagram of shot firing.
Blasting practice at the quarry of New Haven Trap Rock Co
Rock Products
Russell, S.R. (author)
Rock Products ; 34
1931
3 pages
5 Figs.
Article (Journal)
English
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