Maryland Geological SurveyCopyrighted by Maryland Geological Survey, 1910.; "Based on surveys made in cooperation with the United States Geological Survey."; Insets: Elkton -- Belair -- Washington and vicinity -- Baltimore and vicinity -- Annapolis -- Hagerstown -- Cumberland -- Frederick -- Westminster -- Towson -- Easton -- Salisbury.85 x 126 centimetersJPEGUMN_ALMA:9933508400001701engMaryland Geological Survey (Baltimore, Md.?)PublicMap of Maryland showing state road system and state aid roads : 1917MapsMaryland1917University of Minnesota