@misc{indiciaee394ec9aec66, title = {Stratigraphic and sedimentologic studies of the Upper Triassic Chinle Formation, western Colorado}, author = {Russell F. Dubiel and Gary Skipp}, year = {1989}, doi = {10.3133/ofr892}, url = {https://pubs.usgs.gov/publication/ofr892}, note = {Source identifier: ofr892} }