Results: 1 - 3 of 3
Aug 31, 1977
Open File Report
… Formation (oil impregnated sandstone), the Cretaceous … the Grand Rapids Formation (sandstone) and younger …
Dec 31, 1982
Open File Report
… Potash, Salt, Sand and Gravel, Sandstone-Siltstone, Silica Sand, …
Feb 28, 1994
Open File Report
… paleoplacer in the basal sandstone of the belly River …