1. Maryland-West Virginia Oakland quadrangle [cartographic material]. Yale Public content 1900. 2012-07-03T14:18:39Z. 2012-07-11T15:21:00Z. U.S. Geological Survey. English. Public. Maryland, Garrett County (Md.), West Virginia, Preston County (W. Va.), Grant County (W. Va.), and Mineral County (W. Va.).