TY - RPRT TI - Measured section of the Upper Cretaceous Mesaverde Formation and lower part of the lower Tertiary Wasatch Formation, Rifle Gap, Garfield County, Colorado AU - R. C. Johnson PY - 1982 DO - 10.3133/ofr82590 UR - https://pubs.usgs.gov/publication/ofr82590 ID - ofr82590 ER -