TY - RPRT TI - Regional stratigraphic cross sections of upper Cretaceous rocks across the San Juan Basin, northwestern New Mexico and southwestern Colorado AU - C. M. Molenaar AU - J. K. Baird PY - 1992 DO - 10.3133/ofr92257 UR - https://pubs.usgs.gov/publication/ofr92257 ID - ofr92257 ER -