About Ohio rocks and minerals
By: by Carolyn Farnsworth
Series: Educational leaflet series / Ohio. Division of Geological Survey -- no. 5; Educational leaflet series (Ohio Division of Geological Survey) -- no. 5
Publisher: Ohio Division of Geological Survey]
Published: 1962
Place of publication: Columbus
Language: eng
Number of pages: 30
Subjects: Geology -- Ohio; Mineralogy -- Ohio
Notes: Bibliography: p. 27-29