Results: 1 - 6 of 6
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, …
May 01, 2014
Poster
Jan 23, 2020
Data
… marl, tufa, phosphate, silica sand, pumicite, sulphur, fly ash, humalite, and sand and gravel. This dataset is …
Dec 31, 1972
Open File Report
… of gravelly till, outwash sand and gravel, colluvium, …
Feb 07, 2018
Data
Sep 29, 2013
Open File Report