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, …
Mar 26, 2021
Open File Report
Dec 31, 1970
Earth Sciences Report
… locally used aquifers include sand and sand and gravel lenses within the …