West Virginia Geological and Economic Survey, Tucker, R. C., & Price, P. H. (1938). Map II of Ohio, Brooke, and Hancock counties showing general and economic geology. West Virginia Geological Survey.
Chicago Style (17th ed.) CitationWest Virginia Geological and Economic Survey, R. C. Tucker, and Paul H. Price. Map II of Ohio, Brooke, and Hancock Counties Showing General and Economic Geology. [Wheeling, W.Va.?]: West Virginia Geological Survey, 1938.
MLA (9th ed.) CitationWest Virginia Geological and Economic Survey, et al. Map II of Ohio, Brooke, and Hancock Counties Showing General and Economic Geology. West Virginia Geological Survey, 1938.
Warning: These citations may not always be 100% accurate.