A program of activities and research in coal geology
By: by Gilbert H. Cady.
Contributors: Ohio. Division of Geological Survey.
Series: Information circular ;; no. 10; Information circular (Ohio. Division of Geological Survey) ;; no. 10.
Publisher: State of Ohio, Dept. of Natural Resources, Division of Geological Survey
Published: 1952
Place of publication: Columbus
Language: eng
Number of pages: 55
Subjects: Coal -- Ohio.; Coal mines and mining -- Ohio.
Notes: Includes bibliographical references (p. 55).