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General Information

  • Title: Geology of microcrystalline silica (Tripoli) deposits, southernmost Illinois
  • Author(s): Berg, R.B., and Masters, J.M.
  • Publishing Organization: Illinois State Geological Survey
  • Series and Number: Circular no. 555 [89 p.]
  • Publication Date: 1994
  • Map Scale: 1:14,118
  • Cross Section: Yes
  • North Latitude: 37° 19' 29" N (37.3246)
  • South Latitude: 37° 17' 31" N (37.2920)
  • East Longitude: 89° 17' 2" W (-89.2840)
  • West Longitude: 89° 20' 32" W (-89.3422)
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