Results: 1 - 3 of 3
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, 1982
Open File Report
… Phosphate Rock, Potash, Salt, Sand and Gravel, … Sandstone-Siltstone, Silica Sand, Silver, Sodium Sulphate, …