1. Paleocene and lower Eocene units in the southern part of the Piceance Creek basin, Colorado Author/Creator: Donnell, John R. 1919- (John Roswell), author Publication/Creation: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1969 Resource Type: Book Access & Availability: Loading
2. Tertiary geology and oil-shale resources of the Piceance Creek basin, between the Colorado and White Rivers, northwestern Colorado Author/Creator: Donnell, John R. 1919- (John Roswell), author Publication/Creation: Washington, D.C. : United States Department of the Interior, Geological Survey, 1961 Resource Type: Book Access & Availability: Loading
3. Preliminary report on oil-shale resources of Piceance Creek Basin, northwestern Colorado Author/Creator: Donnell, John R. 1919- (John Roswell), author Publication/Creation: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1957 Resource Type: Book Access & Availability: Loading