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Title:Coal Resources Map and Availability for Mining, Villa Grove Quadrangle, Douglas County, Illinois
Author(s):Treworgy, Colin G.
Contributor(s):Illinois State Geological Survey
Subject(s):Coal -- Geology
Coal mines and mining
Coal mines and mining--Illinois--Maps
Geographic Coverage:Villa Grove Quadrangle
Douglas County, Illinois
Issue Date:1999
Publisher:Champaign, Ill.: Dept. of Natural Resources, Illinois State Geological Survey
Series/Report:IGQ Villa Grove-CR
Description:Computer generated map
Includes 2 inset maps, an inset cross-section, an inset column, 10 ancillary maps, text, tables, references, index to adjoining 7.5-minute quadrangles, and location map
Ancillary maps: Thickness of the Herrin Coal in east-central Illinois -- Thickness of the Springfield Coal -- Depth to top of the Herrin Coal (main bench) -- Thickness of the bedrock above the Herrin Coal (main bench) -- Thickness of the drift above the Herrin Coal -- Ratio of the thickness of bedrock to drift above the Herrin Coal (main bench) -- Stripping ratio of the Herrin Coal (both benches) -- Areas of Herrin Coal overlain by Bankston Fork Limestone -- Availability of the Herrin and Springfield Coals for surface mining -- Availability of the Herrin Coal for underground mining
Rights Information:Copyright 1999 Board of Trustees University of Illinois.
Date Available in IDEALS:2015-06-05
Identifier in Online Catalog:4132633
OCLC Identifier:(OCoLC)ocm41366834

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