1. In-place oil shale resources examined by grade in the major basins of the Green River Formation, Colorado, Utah, and Wyoming;Birdwell,2013
2. An assessment of in-place oil shale resources of the Green River Formation, Piceance Basin, Colorado;Johnson,2010
3. Assessment of in-place oil shale resources in the Eocene Green River Formation, Uinta Basin, Utah and Colorado;Johnson,2010
4. Assessment of in-place oil shale resources of the Green River Formation, Greater Green River Basin in Wyoming, Colorado, and Utah;Johnson,2011
5. Some physical and chemical data on Colorado oil shale. Technical report;Gavin,1920