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Browse Circular - Illinois State Geological Survey by Subject "Coal"
Now showing items 1-20 of 43
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(Urbana,, 1935)
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(Urbana,, 1964)
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PDF (1MB)
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(Urbana, Ill.: Illinois State Geological Survey, 1949)
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PDF (726kB)
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(Urbana, IL : Illinois State Geological Survey, 1949)
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PDF (1MB)
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(Urbana,, 1959)
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PDF (895kB)
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(Urbana,, 1956)
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(Urbana,, 1955)
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PDF (1MB)
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(Urbana, IL : Illinois State Geological Survey, 1964)
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PDF (915kB)
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(Urbana, IL : Illinois State Geological Survey, 1938)
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PDF (5MB)
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(Champaign, IL : Illinois State Geological Survey, 1997)
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PDF (1MB)
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(Urbana, IL : Illinois State Geological Survey, 1968)
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PDF (2MB)
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(Urbana, IL : Illinois State Geological Survey, 1968)
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PDF (2MB)
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(Urbana, IL : Illinois State Geological Survey, 1943)
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PDF (1MB)
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Internal surface area, moisture content, and porosity of Illinois coals : variations with coal rank (Urbana : Illinois State Geological Survey,, 1976)
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PDF (3MB)
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(Urbana,, 1957)
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PDF (953kB)
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(Urbana : Illinois State Geological Survey,, 1977)
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PDF (3MB)
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(Urbana, Ill. : Illinois State Geological Survey, 1939)
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PDF (3MB)
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PDF (351kB)
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(Urbana,, 1960)
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PDF (454kB)
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(Urbana,, 1947)
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PDF (322kB)
Now showing items 1-20 of 43