This map shows the thickness of unconsolidated deposits in the west half of the New Castle 30 1:100,000-scale quadrangle. The map was created by using computer gridding and contouring software to compute the difference between a 60-meter digital elevation model and the corresponding 60-meter grid that underlies the bedrock-surface contours shown on OFS 03-06.
Hasenmueller, W. A., James, C. L. 2003, Map showing thickness of the unconsolidated deposits in the west half of the New Castle 30 x 60 minute quadrangle, central Indiana: Indiana Geological Survey Open-File Study 03-14
Notes: Publications in the Indiana Geological Survey Open-File series have been inconsistently named using a variety of series titles including "Open-File Report," "Open-File Map," and "Open-File Study." Prior to 1994, a publication in this series was generally referred to as an "Open-File Report" (but not always). To help reduce confusion created by these inconsistencies, the IGS now refers to every publication in the Open-File series as an "Open-File Study." To be entirely correct in writing a bibliographic reference for a publication, one should use the series name and number that appears on the publication itself.
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