APA (7th ed.) Citation

Não informado. (2001). West Virginia geological survey. Virginia Geological Survey.

Chicago Style (17th ed.) Citation

Não informado. West Virginia Geological Survey. Morgantown, Va: Virginia Geological Survey, 2001.

MLA (8th ed.) Citation

Não informado. West Virginia Geological Survey. Virginia Geological Survey, 2001.

Warning: These citations may not always be 100% accurate.