APA (7th ed.) Citation

Ryder, R. T. (2009). Geologic cross section D-D' through the Appalachian Basin from the Findlay Arch, Sandusky County, Ohio, to the Valley and Ridge Province, Hardy County, West Virginia. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Ryder, Robert T. Geologic Cross Section D-D' Through the Appalachian Basin from the Findlay Arch, Sandusky County, Ohio, to the Valley and Ridge Province, Hardy County, West Virginia. [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 2009.

MLA (9th ed.) Citation

Ryder, Robert T. Geologic Cross Section D-D' Through the Appalachian Basin from the Findlay Arch, Sandusky County, Ohio, to the Valley and Ridge Province, Hardy County, West Virginia. U.S. Dept. of the Interior, U.S. Geological Survey, 2009.