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, …
Aug 31, 1973
Open File Report
… from saline silty clay overlying sand, sandy loam and sandy clay …
Apr 30, 1983
Open File Report