@misc{indiciaea9215416c71d, title = {In-place oil shale resources of the Mahogany zone sorted by grade, overburden thickness and stripping ratio, Green River Formation, Piceance Basin, Colorado and Uinta Basin, Utah}, author = {Justin E. Birdwell and Tracey J. Mercier and Ronald C. Johnson and Michael E. Brownfield}, year = {2015}, doi = {10.3133/fs20153005}, url = {https://pubs.usgs.gov/publication/fs20153005}, note = {Source identifier: fs20153005} }