@misc{indiciaed767e54c3d6d, title = {The Muddy and Quitchupah Projects: a progress report with descriptions of cores of the I, J, and C coal beds from the Emery coal field, central Utah}, author = {Thomas A. Ryer}, year = {1981}, doi = {10.3133/ofr81460}, url = {https://pubs.usgs.gov/publication/ofr81460}, note = {Source identifier: ofr81460} }