APA (7th ed.) Citation

Ach, J. A. (1988). Mineral resources of the South Fork and Sand Hollow wilderness study areas, Crook County, Oregon. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Ach, Jay A. Mineral Resources of the South Fork and Sand Hollow Wilderness Study Areas, Crook County, Oregon. [Reston, Va.]: Department of the Interior, U.S. Geological Survey, 1988.

MLA (9th ed.) Citation

Ach, Jay A. Mineral Resources of the South Fork and Sand Hollow Wilderness Study Areas, Crook County, Oregon. Department of the Interior, U.S. Geological Survey, 1988.