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000219692 001__ 219692
000219692 005__ 20220217104145.0
000219692 008__ 990805s1994\\\\cauab\\\\b\\\f000\0\eng\d
000219692 035__ $$a(OCoLC)31874820
000219692 035__ $$a219692
000219692 040__ $$aGIS$$cGIS$$dISE
000219692 049__ $$aISEA
000219692 074__ $$a0624-H
000219692 0860_ $$aI 19.76:94-698
000219692 1001_ $$aCastle, Robert O.
000219692 24514 $$aThe selective salvation of Zeiss Ni 1 levelings /$$cby Robert O. Castle and Thomas D. Gilmore.
000219692 260__ $$aMenlo Park, Calif. :$$bU.S. Geological Survey,$$c1994.
000219692 300__ $$aiii, 30 p. :$$bill., maps ;$$c28 cm.
000219692 4901_ $$aOpen-file report ;$$v94-698
000219692 500__ $$aCover title.
000219692 500__ $$a"USGS-OFR-94-698"
000219692 504__ $$aIncludes bibliographical references (p. 13-14).
000219692 520__ $$aAn analysis of the results of a representative sample of earlier Zeiss Ni 1 levelings suggests that a number of these earlier levelings were free of any significant magnetic error.
000219692 650_0 $$aGeodesy$$zUnited States.
000219692 650_0 $$aLeveling$$zUnited States.
000219692 7001_ $$aGilmore, Thomas D.
000219692 7102_ $$aGeological Survey (U.S.)
000219692 830_0 $$aU.S. Geological Survey open-file report ;$$v94-698.
000219692 85230 $$bdfich$$hI 19.76:$$i94-698
000219692 909CO $$ooai:library.usi.edu:219692$$pGLOBAL_SET
000219692 980__ $$aBIB
000219692 980__ $$aGOV RESOURCE
000219692 994__ $$aE0$$bISE