TY - RPRT TI - Petrography, x-ray mineralogy, and palynology of a measured section of the Upper Cretaceous Mesaverde Group in Hunter Canyon, western Colorado AU - Ronald C. Johnson AU - Fred May AU - P. L. Hansley AU - Janet K. Pitman AU - T. D. Fouch PY - 1980 DO - 10.3133/oc91 UR - https://pubs.usgs.gov/publication/oc91 ID - oc91 ER -