1. Virginia-West Virginia-Maryland, Harpers Ferry sheet, 1893 Yale Public content 1893. 2011-05-31T13:50:46Z. 2015-10-21T15:00:05Z. Geological Survey (U.S.). The Survey. English. Public. Clarke County (Va.), Harpers Ferry (W. Va.), Loudoun County (Va.), Maryland, Virginia, and West Virginia.