Publisher: Maryland Geological Survey / Subject: Geology - Yale University Library GeoBlacklight Search Results

1. 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.

2. Geologic map of Howard County and adjacent parts of Montgomery and Baltimore Counties

1940. 2018-05-17T18:26:48Z. 2018-05-17T18:26:48Z. Cloos, Ernst, 1898-1974. Maryland Geological Survey. English. cartographic image. Public. Maryland, Howard County, Howard County (Md.), and Howard County.

3. Geologic map of the Avilton and Frostburg quadrangles, Maryland [cartographic material]

1988. 2016-06-07T18:15:26Z. 2016-08-20T21:14:18Z. Brezinski, David K. Maryland Geological Survey. English. cartographic image. Public. Maryland, Allegany County, Garrett County, Avilton Region, Frostburg Region, U.S., Allegany County., and Garrett County.

4. 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.

5. Map of Charles County showing the geological formations

1939. 2018-04-13T20:24:52Z. 2018-04-13T20:24:52Z. Maryland Geological Survey. Maryland Geological Survey. English. cartographic image. Public. Maryland and Charles County.