00853cam a22002291 4500 gs 14000473 DLC 20260227111315.0 860226s1914 dcuf f000 0 eng c gs 14000473 (OCoLC)13203037 U. S. Geol. Survey. Library TxHR DLC premarc QE75 .B9 no. 556 Marshall, R. B. (Robert Bradford), 1867-1949. Results of spirit leveling in Oregon, 1896 to 1913, inclusive, R. B. Marshall, chief geographer; work done in cooperation with the state from 1905 to 1913, inclusive, John H. Lewis, state engineer. Washington, Govt. Print. Off., 1914. 175 p. pl. 24 cm. U. S. Geological Survey. Bulletin 556 Oregon Altitudes. Oregon. State Engineer. 25366 25366