Results: 1 - 3 of 3
Dec 31, 1982
Open File Report
… Phosphate Rock, Potash, Salt, Sand and Gravel, … Sandstone-Siltstone, Silica Sand, Silver, Sodium Sulphate, …
Dec 31, 1973
Earth Sciences Report
… the two main rivers and contain sand and gravel deposits which are … Yields are fairly high in the sand and gravel aquifers of the … the river and buried valley sand and gravel deposits, and by …
Dec 31, 1981
Bulletin
… with a change from a gravel to a sand bed, which constitutes the … type of reach observed. The sand hows little change in size … in the range from coarse sand to granules. This deficiency …