Subject: Geology / Spatial Coverage: Washington County. - Yale University Library GeoBlacklight Search Results

1. Geologic map and cross sections of the Eastport quadrangle, Maine [cartographic material]

1975. 2016-06-07T13:49:39Z. 2016-08-20T21:14:14Z. Gates, Olcott, 1919-. Maine Geological Survey. English. cartographic image. Public. Maine, Washington County, and Washington County.

2. Geologic map of Frederick County : and adjacent parts of Washington and Carroll counties

1938. 2018-04-16T17:53:08Z. 2020-10-13T22:38:22Z. Jonas, Anna I. (Anna Isabel), 1881-1974, author, cartographer. Maryland Geological Survey. English. cartographic image. Public. Maryland, Frederick County, Washington County, Carroll County, Carroll County., Frederick County., and Washington County.

3. Geologic map of Washington County

1941. 2018-04-16T18:07:01Z. 2018-04-16T18:07:01Z. Cloos, Ernst, 1898-1974. Maryland Geological Survey. English. cartographic image. Public. Maryland, Washington County, and Washington County.

4. Map of Meigs Creek coal in Caldwell quadrangle, Ohio : (parts of Noble, Washington and Morgan Counties)

1947. 2018-05-01T19:15:41Z. 2020-10-02T18:05:11Z. White, George W. (George Willard), 1903-1985. State of Ohio, Dept. of Public Works, Geological Survey of Ohio. English. cartographic image. Public. Ohio, Noble County, Washington County, Morgan County, Morgan County., Noble County., and Washington County.