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Thickness Map of Formations in the Columbia Aquifer: Maryland part of the Delmarva Peninsula
(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
(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 the Maryland part of the Delmarva Peninsula Showing Location of Observation Wells
(Baltimore: Maryland Geological Survey, 1984)
This map is Plate 1-2 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).
Map of Configuration of the Base of Formations in the Columbia Aquifer: Maryland part of the Delmarva Peninsula
(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).
Water-table Map of the Columbia Aquifer: Maryland part of the Delmarva Peninsula
(Baltimore: Maryland Geological Survey, 1984)
This map is Plate 1-6 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).