00855cam a22002771a 4500 gs 40000123 DLC 20260227111345.0 720329s1940 dcuab b f001 0 eng gs 40000123 (OCoLC)272838 DLC ODaWU NcGrE DLC n-us-ut QE75 .B9 no. 912 QB296.U9 U8 1938 Copy 2. Staack, J. G. (John George), 1878- Spirit leveling in Utah, 1897-1938 / by J.G. Staack. Washington : U.S. G.P.O., 1940. iii, 222 p. : ill., 1 folded map ; 24 cm. Bulletin ; 912 Includes bibliographical references and index. Utah Altitudes. Leveling Utah. Bench-marks Utah. Geological Survey bulletin ; 912 27624 27624