Results: 1 - 3 of 3
Dec 31, 1968
Earth Sciences Report
… lenticular beds of argillaceous sandstone, shale, and coal which … is locally developed as thick sandstone beds of better …
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 …