Results: 1 - 4 of 4
Dec 31, 1970
Earth Sciences Report
… of many industrial sand products are outlined in this … concern high purity silica sand used as a raw material for the … industry, and for moulding sand, hydraulic fracturing sand, …
Apr 30, 1983
Open File Report
Dec 31, 1971
Earth Sciences Report
Feb 28, 1977
Open File Report
… consisting of recent deposits of sand and gravel occurs in the …