statemap also supported

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Maryland Geological Survey: USGS STATEMAP profile
... (parts of growth area for Washington, D.C. in Southern Maryland). In FY’03 STATEMAP also supported production of a digital, slightly revised version of the 1978 USGS New Windsor ... area, refine the stratigraphy, and provide baseline data relative to water and mineral resources. STATEMAP also supported the revision and digitization of the Middletown quadrangle geologic map, which had been open ...
www.mgs.md.gov