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, …
Jan 31, 2023
Special Report
Jul 15, 2006
Data
… map the surficial geology of the Sand River area (Map 178), NTS 73L, …