TY - RPRT TI - Lithostratigraphic descriptions of measured sections of Upper Cretaceous Trinidad Sandstone, northern Raton Basin, Colorado AU - Stephen M. Tur AU - Romeo M. Flores PY - 1980 DO - 10.3133/ofr80818 UR - https://pubs.usgs.gov/publication/ofr80818 ID - ofr80818 ER -