APA (7th ed.) Citation

Evans, J. G., & Conyac, M. D. (1983). Mineral resource potential map of the North Fork John Day River Roadless Area, Grant County, Oregon. The Survey.

Chicago Style (17th ed.) Citation

Evans, James George, and Martin D. Conyac. Mineral Resource Potential Map of the North Fork John Day River Roadless Area, Grant County, Oregon. Reston, Va.: The Survey, 1983.

MLA (9th ed.) Citation

Evans, James George, and Martin D. Conyac. Mineral Resource Potential Map of the North Fork John Day River Roadless Area, Grant County, Oregon. The Survey, 1983.