The computer-derived contours and color ramp on this map show the thickness of the Geneva Dolomite Member of the Jeffersonville Limestone (Devonian) in Bartholomew County. The shaded relief on the map shows the modern topography. The Geneva is a significant bedrock aquifer in Bartholomew County that is the source of groundwater in many existing water wells and has the potential to be a significant source of groundwater in the future. The thickness of the Geneva shown on this map in conjunction with the depth to the top of the Geneva shown on Hasenmueller and Rupp’s (2017b) map are technical resources for protecting and developing this aquifer.
Hasenmueller, W. A., and Rupp, R. F., 2017, Map showing thickness of the Geneva Dolomite Member of the Jeffersonville Limestone (Devonian) in Bartholomew County, Indiana: Indiana Geological Survey Miscellaneous Map 103, scale 1:48,000.
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