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Maryland, Delaware
(1887)
Map of Central Cecil County showing Areal Distribution of Clay- Bearing Formations of the Potomac Group
(Baltimore: Maryland Geological Survey, 1902)
Scale 1:62,500. Map is from Maryland Geological Survey, 1902; Volume 4, Plate XLV. Size of original printed map height 6.25 inches, width 7.75 inches.
Map showing Areal Distribution of Clay-Bearing Formations of the Potomac Group in the Region Southwest of Baltimore City
(Baltimore: Maryland Geological Survey, 1902)
Scale 1:62,500. Map is from Maryland Geological Survey, 1902; Volume 4, Plate XLVII. Size of original printed map height 6.25 inches, width 7.75 inches.
Map Showing the Distribution of the Eocene Formation of Maryland
(Baltimore: Maryland Geological Survey, 1901)
Scale 1:500,000. Map is from Maryland Geological Survey, 1901; from Physical Atlas of Maryland. Size of original printed map height 12.5 inches, width 9.75 inches.
Map of Central Maryland showing Rocks Yielding Residual Clays
(Baltimore: Maryland Geological Survey, 1902)
Scale 1:1,250,000. Map is from Maryland Geological Survey, 1902; Volume 4, Plate LVIII. Size of original printed map height 5.25 inches, width 7.5 inches.
Maryland - Delaware
(Washington: U.S. Geological Survey, 1916, reprinted in 1944, 1916)
Scale 1:1,000,000. Size of original printed map height 10 inches, width 16.5 inches.
Map Showing Locations of Wells and Test Holes in Caroline County
(Baltimore: Maryland Geological Survey, 1984)
This map is Plate 2-1 from Bachman, L.J., and Wilson, J.M., “The Columbia Aquifer of the Eastern Shore of Maryland”. Baltimore: Maryland Geological Survey, 1984 (Report of Investigations No. 40).
Map Showing Locations of Wells and Test Holes in Cecil County
(Baltimore: Maryland Geological Survey, 1984)
This map is Plate 2-2 from Bachman, L.J., and Wilson, J.M., “The Columbia Aquifer of the Eastern Shore of Maryland”. Baltimore: Maryland Geological Survey, 1984 (Report of Investigations No. 40).
Subregions of Maryland with a brief Description of the Geologic and Hydrologic Factors Pertaining to Subsurface Waste Storage
(Baltimore: Maryland Geological Survey, 1970)
This map is Figure 4 from Otton, E.G., “Geologic and Hydrologic Factors Bearing on Subsurface Storage of Liquid Wastes in Maryland”. Baltimore: Maryland Geological Survey, 1970 (Report of Investigations No. 14).
Map Showing Location of Springs and Physiographic Provinces and their Divisions in Maryland
(Baltimore: Maryland Geological Survey, 1985)
This map is Figure 5 from Otton. E.G., and Hilleary, J.T., “Maryland Strings – their Pphysical, Thermal and Chemical Characteristics”. Baltimore: Maryland Geological Survey, 1985 (Report of Investigations No. 42).