Results: 1 - 2 of 2
Dec 31, 1968
Earth Sciences Report
… northern flank is covered by sand and gravel. The floor of the … bank is not. The gravel and sand appear to be extensive and … finished in this gravel and sand range from less than 10 to …
Dec 31, 1982
Open File Report
… Phosphate Rock, Potash, Salt, Sand and Gravel, … Sandstone-Siltstone, Silica Sand, Silver, Sodium Sulphate, …