A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Better allegheny river gravel
Aggregates of higher quality being produced by J. K. DAVISON and Bro, Pittsburgh, since its New Kensington plant was rebuilt and dredge design changed; both cone and impact type crushers and more screening surface added to improve quality of gravel.
Better allegheny river gravel
Aggregates of higher quality being produced by J. K. DAVISON and Bro, Pittsburgh, since its New Kensington plant was rebuilt and dredge design changed; both cone and impact type crushers and more screening surface added to improve quality of gravel.
Better allegheny river gravel
Rock Products
Rock Products ; 43
1940
3 pages
Article (Journal)
English
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