Present status of correlation of Illinois coals,

Culver, Harold Eugene, 1883-

Present status of correlation of Illinois coals, by Harold E. Culver. - Urbana, Ill. [Springfield, Jeffersons Printing & Stationery Co.] 1927. - 13 p.

At head of title: State of Illinois. Department of registration and education. Division of the State Geological Survey.

gs 28000005


Geology, Stratigraphic--Carboniferous.
Coal--Illinois.

QE673 / .C8

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