1. Depositional environment of Upper Cretaceous black sandstones of the Western Interior : Cretaceous black sandstone deposits of the Western Interior have stratigraphic, structural, textural, and mineralogical characteristics helpful in reconstructing local and regional depositional environments Author/Creator: Houston, Robert S. 1923- (Robert Stroud) Publication/Creation: Washington : U.S. Govt. Print. Off, 1977 Resource Type: Book Access & Availability: Loading