APA (7th ed.) Citation

Daniel, C. C., III, & Payne, R. A. (1990). Hydrogeologic unit map of the Piedmont and Blue Ridge Provinces of North Carolina. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Daniel, Charles C., III, and Robert A. Payne. Hydrogeologic Unit Map of the Piedmont and Blue Ridge Provinces of North Carolina. Raleigh, North Carolina: Department of the Interior, U.S. Geological Survey, 1990.

MLA (9th ed.) Citation

Daniel, Charles C., III, and Robert A. Payne. Hydrogeologic Unit Map of the Piedmont and Blue Ridge Provinces of North Carolina. Department of the Interior, U.S. Geological Survey, 1990.