Cite
MLA (8th Edition)
Johnson, Ronald C. Detailed Cross Sections of the Eocene Green River Formation Along the North and East Margins of the Piceance Basin, Western Colorado, Using Measured Sections and Drill Hole Information. U.S. Department of the Interior, U.S. Geological Survey, 2014.
APA (7th Edition)
Johnson, R. C. (2014). Detailed cross sections of the Eocene Green River formation along the North and East margins of the Piceance Basin, western Colorado, using measured sections and drill hole information. U.S. Department of the Interior, U.S. Geological Survey.
Chicago (17th Edition)
Johnson, Ronald C. “Detailed Cross Sections of the Eocene Green River Formation along the North and East Margins of the Piceance Basin, Western Colorado, Using Measured Sections and Drill Hole Information.” Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 2014.