A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Production statistics; values; glass sand; molding sand; imports; exports.
Production statistics; values; glass sand; molding sand; imports; exports.
Sand and gravel in 1930
U S Bur Mines -- Mineral Resources
Phillips, E.R. (author)
1932
12 pages
Article (Journal)
English
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