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, …
Dec 31, 1976
Earth Sciences Report
… River where thick buried valley sand forms an important aquifer …
Dec 31, 1973
Earth Sciences Report
Apr 30, 1993
Open File Report
… ore pelletizing, bonding foundry sand, oil well drilling, …