The computer-derived contours and color ramp shown on this map show the shape of the bedrock surface in Bartholomew County. The shaded relief on the map shows the modern topography. The bedrock surface is the surface that marks the top of lithified rock. In Bartholomew County, and throughout Indiana, the bedrock surface is the erosional top of Paleozoic sedimentary rocks. Typically covered by soils or much younger (Quaternary or Tertiary) deposits of unconsolidated sediment, it is locally visible at natural outcrops of bedrock or in man-made excavations that penetrate bedrock. The position of the bedrock surface is economically important because it marks the abrupt transition from easily excavated unconsolidated sediments into solid bedrock and because it limits the lateral and vertical extent of economically important bedrock units.
Hasenmueller, W. A., and Rupp, R. F., 2017, Map showing elevation of the bedrock surface in Bartholomew County, Indiana: Indiana Geological Survey Miscellaneous Map 97, scale 1:48,000.
You may also like:
Can't find what you're looking for? Feel free to contact us directly:
Publication Sales Office
Indiana Geological and Water Survey
420 N. Walnut St.
Bloomington, IN 47404
IGS Return Policy
All sales are final. Materials may not be returned after they have been accepted by the customer. Any discrepencies in mail orders must be reported to IGWS within 10 days of receipt of order.
The Indiana Geological and Water Survey will refund the purchase price and sales tax of products if returned with the original sales receipt within 10 days of receipt of order. Refunds will be issued with the same method of payment as indicated on the original receipt except for cash purchases, which will be refunded by check. Items must be returned in the same condition as purchased. Refunds on digital products and services are not allowed, except for defective media such as CD-ROMs, flash drives, and so on. The customer is responsible for paying shipping costs to return items.