00790cam a22002171 4500 gs 17000342 DLC 20260227111321.0 760729s1917 xx f000 0 eng gs 17000342 (OCoLC)2341666 DLC ONcM DLC QE75 .B9 no. 651 Marshall, R. B. (Robert Bradford), 1867-1949. Spirit leveling in Ohio, 1898 to 1916, inclusive, R.B. Marshall, chief geographer, work done in cooperation with the state of Ohio, C.E. Sherman, inspector. Washington, Govt. print. off., 1917. 456 p. pl., fold. map.. 23 cm. U.S. Geological Survey. Bulletin 651 At head of title: Department of Interior. Ohio Altitudes. 25777 25777