Coal production in Ohio, 1800-1974
By: compiled by Horace R. Collins.
Series: Information circular - State of Ohio, Division of Geological Survey ; no. 44; Information circular (Ohio. Division of Geological Survey) ;; no. 44.
Publisher: State of Ohio, Dept. of Natural Resources, Division of Geological Survey
Published: 1976
Place of publication: Columbus
Language: eng
Number of pages: 33
Subjects: Coal mines and mining -- Ohio -- Statistics.
Notes: Bibliography: p. 8.