Results: 1 - 4 of 4
Jan 23, 2020
Data
… marl, tufa, phosphate, silica sand, pumicite, sulphur, fly ash, humalite, and sand and gravel. This dataset is …
Dec 31, 1982
Open File Report
… Phosphate Rock, Potash, Salt, Sand and Gravel, … Sandstone-Siltstone, Silica Sand, Silver, Sodium Sulphate, …
Dec 31, 1973
Open File Report
… Hand Hills Formation. In places, sand is more common than gravel and … normally less than 15 percent. Sand and granule size ranges …
Dec 31, 1968
Earth Sciences Report