Map of the Maryland part of the Delmarva Peninsula Showing Location of Observation Wells

Wilson, J.M.; Bachman, L.J.

Thickness Map of Formations in the Columbia Aquifer: Maryland part of the Delmarva Peninsula

Wilson, J.M.; Bachman, L.J. (Baltimore: Maryland Geological Survey, 1984)

This map is Plate 1-5 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 Units Subcropping Under the Columbia Aquifer and the Thickness of Subcropping Sand Bodies: Maryland part of the Delmarva Peninsula

Wilson, J.M.; Bachman, L.J. (Baltimore: Maryland Geological Survey, 1984)

This map is Plate 1-3 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 of Configuration of the Base of Formations in the Columbia Aquifer: Maryland part of the Delmarva Peninsula

Wilson, J.M.; Bachman, L.J. (Baltimore: Maryland Geological Survey, 1984)

This map is Plate 1-4 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).