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  1. 1
    The Hornsby district of low-sulfur Herrin coal in central Illinois (Christian, Macoupin, Montgomery, and Sangamon counties) /
    by Nelson, W. John
    Published 1987
    Book
  2. 2
    Stratigraphic correlations of the Seelyville, Dekoven, and Davis coals of Illinois, Indiana, and western Kentucky /
    by Jacobson, R. J.
    Published 1987
    Book
  3. 3
    Publications on the geology, mineral resources and mineral industries of Illinois /
    Book
  4. 4
    Subsurface geology and coal resources of the Pennsylvanian system in certain counties of the Illinois basin.
    Published 1951
    Book
  5. 5
    Some geological studies reported at the State Academy of Science, 1939, 1940, 1943.
    Published 1940
    Book
  6. 6
    Correlation problems in the new Illinois Basin Fields.
    Published 1937
    Book
  7. 7
    Progress reports on subsurface studies of the Pennsylvanian system in the Illinois basin.
    Published 1944
    Book
  8. 8
    The Dwight mineralogical zone of the Yorkville Till Member, northeastern Illinois /
    by Killey, Myrna M.
    Published 1982
    Book
  9. 9
    What about our minerals? : A quiz book on the geology and mineral resources of Illinois.
    Published 1946
    Book
  10. 10
    Environmental geology notes.
    Serial
  11. 11
    Economic and geologic papers. : Geology and mineral resources of the La Harpe and Good Hope quadrangles /
    Published 1923
    Book
  12. 12
    Papers presented at the Quarter centennial celebration of the Illinois State geological survey.
    Book
  13. 13
    The Gravity field and tectonics of Illinois /
    Published 1976
    Book
  14. 14
    Geologic disturbances in Illinois coal seams /
    by Nelson, W. John
    Published 1983
    Book
  15. 15
    Regional geology of the Tiskilwa Till Member, Wedron Formation, northeastern Illinois /
    by Wickham, Susan Specht
    Published 1988
    Book
  16. 16
    Year-book for 1906-1917/1918.
    Published 1907
    Book
  17. 17
    Perspectives in geology : invited papers /
    Published 1982
    Book
  18. 18
    Geology of the Eddyville, Stonefort, and Creal Springs quadrangles, Southern Illinois /
    Published 1991
    Book
  19. 19
    Geology of the Goreville Quadrangle : Johnson and Williamson Counties, Illinois /
    by Jacobson, R. J.
    Published 1992
    Book
  20. 20
    Environmental geology.
    Published 1990
    Serial
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