APA (7th ed.) Citation

Geological Survey (U.S.) & Hail, W. J., Jr. (1988). Geologic map of the Barcus Creek SE quadrangle, Rio Blanco County, Colorado. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and William J. Hail, Jr. Geologic Map of the Barcus Creek SE Quadrangle, Rio Blanco County, Colorado. Reston, Va.: The Survey, 1988.

MLA (9th ed.) Citation

Geological Survey (U.S.) and William J. Hail, Jr. Geologic Map of the Barcus Creek SE Quadrangle, Rio Blanco County, Colorado. The Survey, 1988.