List of coal mines in West Virginia, July 1, 1921

Chicago citation style
West Virginia Geological and Economic Survey. List of coal mines in West Virginia, July 1, 1921. 1921. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/006588974. (Accessed May 23, 2018.)
APA citation style
West Virginia Geological and Economic Survey, (1921) List of coal mines in West Virginia, July 1, 1921. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/006588974
MLA citation style
West Virginia Geological and Economic Survey. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/006588974>.
Note: These citations are programmatically generated and may be incomplete.