Results: 1 - 2 of 2
Dec 31, 1979
Open File Report
… … The upper Horseshoe Canyon Formation in … order, these are the lower and upper fine units, consisting mainly … work on the provenance of Upper Cretaceous sands, in indicating …
May 31, 2007
Earth Sciences Report
… Phanerozoic are rare and the Upper Cretaceous stratigraphic studies … due to severe erosion of the Upper Cretaceous along the Peace …