Results: 1 - 4 of 4
Jul 31, 1980
Open File Report
… convenient supplies of sand and gravel. The greatest … lower Beaver valley (east of the Sand River) and many of the … W.A.D. and Fox, J.C. (1980): Sand and gravel resources of the …
Dec 31, 1974
Economic Geology Report
… shards and the mineralogy of the sand and silt fractions suggest … can be related to the amount of sand-and silt-sized volcanic glass …
Dec 31, 1976
Earth Sciences Report
Dec 31, 1982
Open File Report