APA (7th ed.) Citation

Briel, L. I. (1997). Water quality in the Appalachian Valley and Ridge, the Blue Ridge, and the Piedmont physiographic provinces, Eastern United States. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Briel, L. I. Water Quality in the Appalachian Valley and Ridge, the Blue Ridge, and the Piedmont Physiographic Provinces, Eastern United States. Washington, DC]: U.S. Dept. of the Interior, U.S. Geological Survey, 1997.

MLA (9th ed.) Citation

Briel, L. I. Water Quality in the Appalachian Valley and Ridge, the Blue Ridge, and the Piedmont Physiographic Provinces, Eastern United States. U.S. Dept. of the Interior, U.S. Geological Survey, 1997.