Extent and distribution of coal strip-mined land in Ohio
By: L.L. Knudsen
Series: Research circular / Ohio Agricultural Experiment Station -- 22; Research circular (Ohio Agricultural Experiment Station) -- 22
Publisher: Ohio Agricultural Experiment Station
Published: 1954
Place of publication: Wooster, Ohio
Language: eng
Number of pages: 11
Subjects: Strip mining -- Ohio
Notes: Cover title

Bibliography: p. 11