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Map Symbols for Illinois Coal Mines
This document is an online adaptation of the following ISGS publication:
- DIRECTORY OF COAL MINES IN ILLINOIS
- 7.5-MINUTE QUADRANGLE SERIES
- Springfield Quadrangle, Sangamon County
- C.A. Chenoweth, M.H. Bargh, and C.G. Treworgy (1993)
Its purpose is to serve as a key to the accompanying mine map,
explaining the symbols and patterns used to display
information about the mines. In addition to the contents listed below, the original
document also contains a list of all the mines in the quadrangle and mine summary
sheets describing the geology and production history of each mine. The printed
document can be ordered from the
ISGS
Table of Contents
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Land Reclamation Division
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Administrative Rulings: 
