Results: 1 - 3 of 3
Dec 31, 1979
Open File Report
… 1900 km 2 . A study of the sand and gravel resources of the … in the area. Major deposits of sand and gravel away from the two … B.N. … Peterson, B.N. (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 …
Jul 28, 2009
Map
… map shows the areal extent of sand and gravel deposits with … of the material (ratio of sand to gravel and amount of fines) …