Results of spirit leveling in Ohio, 1911
By: R. B. Marshall, chief geographer; work done in cooperation with the state of Ohio, C. E. Sherman, inspector.
Contributors: Geological Survey of Ohio.
Series: U.S. Geological survey. Bulletin 518
Publisher: Govt. Print. Off.
Published: 1912
Place of publication: Washington
Language: eng
Number of pages: 108
Subjects: Ohio -- Altitudes.
Notes: Includes index.