ANNOTATION: This map shows the thickness of unconsolidated deposits in the western quarter of the Muncie and eastern quarter of the Lafayette 1:100,000-scale quadrangles. The map was created with computer gridding and contouring software by computing the difference between a 60-meter topographic surface grid extracted from U.S. Geological Survey digital elevation models and the 60-meter grid that underlies the bedrock surface contours shown on OFS 00-15.
Hasenmueller, W. A. 2000, Map showing thickness of unconsolidated deposits in the western quarter of the Muncie and eastern quarter of the Lafayette 1:100,000 quadrangles, central Indiana: Indiana Geological Survey Open-File Study 00-16
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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