Results: 1 - 7 of 7
Dec 31, 1982
Open File Report
… Potash, Salt, Sand and Gravel, Sandstone-Siltstone, Silica Sand, …
Jun 30, 1980
Open File Report
… facies of the Bad Heart Sandstone of Late Cretaceous age. … into siltstone and argillaceous sandstone. It is overlain and …
Dec 14, 2005
Information Series
… Bad Heart Formation siltstone-sandstone. It has been suggested …
Jul 31, 1973
Open File Report
… 5. mineralogy: basically oolitic sandstone, with iron-bearing …
Dec 31, 1961
Earth Sciences Report
Dec 31, 1958
Earth Sciences Report
… of a red-weathering ferriferous sandstone can be reached on rough …
Dec 31, 1974
Information Series
… consist of flat-lying oolitic sandstone 5 to 30 feet thick, …