Results of spirit leveling in Ohio, 1911.
Marshall, R. B. 1867-1949
Results of spirit leveling in Ohio, 1911. R. B. Marshall, chief geographer; work done in cooperation with the state of Ohio, C. E. Sherman, inspector. - Washington, Govt. Print. Off., 1912. - 108 p. pl. 24 cm. - U.S. Geological survey. Bulletin 518 . - United States. Geological Survey. Bulletin ; 518. .
Includes index.
gs 12000754
Ohio--Altitudes.
QE75 / .B9 no. 518
Results of spirit leveling in Ohio, 1911. R. B. Marshall, chief geographer; work done in cooperation with the state of Ohio, C. E. Sherman, inspector. - Washington, Govt. Print. Off., 1912. - 108 p. pl. 24 cm. - U.S. Geological survey. Bulletin 518 . - United States. Geological Survey. Bulletin ; 518. .
Includes index.
gs 12000754
Ohio--Altitudes.
QE75 / .B9 no. 518