TY - RPRT TI - In-place oil shale resources examined by grade in the major basins of the Green River Formation, Colorado, Utah, and Wyoming AU - Justin E. Birdwell AU - Tracey J. Mercier AU - Ronald C. Johnson AU - Michael E. Brownfield PY - 2013 DO - 10.3133/fs20123145 UR - https://pubs.usgs.gov/publication/fs20123145 ID - fs20123145 ER -