BOOK
Title:
Contributions to the study of coal: mineral matter of no. 6 bed coal at West Frankfort, Franklin County, Illinois
Creator:
Ball, Clayton Garrett, 1906-
Publication:
Urbana, Illinois, 1935.
Notes:
At head of title: State of Illinois. Department of Registration and Education. Division of the State Geological Survey.
Call #:
557.73 IL6RI NO.33
Extent:
106 p. incl. illus., tables, diagrs. ; 25 cm.
BOOK
Title:
Contributions to the study of coal: Influence of structural irregularities upon the chemical character of no. 6 coal in Franklin and Williamson Counties, Illinois
Creators:
Illinois State Geological Survey | Benson, Edmund T. | Cady, Gilbert H. (Gilbert Haven), b. 1882
Publication:
printed by authority of the state, Urbana, Illinois, 1935.
Notes:
At head of title: State of Illinois. Department of Registration and Education.
Call #:
557.73 IL6RI NO.35
Extent:
41 p. incl. maps, tables, diagrs. ; 25 cm.
