000216824 000__ 01233cam\a2200313Ia\45e0 000216824 001__ 216824 000216824 005__ 20220217104048.0 000216824 008__ 990601s1998\\\\couab\\\\b\\\f000\0\eng\d 000216824 035__ $$a(OCoLC)39350676 000216824 035__ $$a216824 000216824 040__ $$aGIS$$cGIS$$dISE 000216824 049__ $$aISEA 000216824 074__ $$a0624-H 000216824 0860_ $$aI 19.76:98-221 000216824 1001_ $$aEllefsen, Karl. 000216824 24513 $$aAn evaluation of several geophysical methods for characterizing sand and gravel deposits /$$cby Karl J. Ellefsen, Jeffrey E. Lucius, and David V. Fitterman. 000216824 260__ $$a[Denver, CO] :$$bU.S. Geological Survey,$$c1998. 000216824 300__ $$avi, 26 leaves :$$bill. (some col.), map ; 28 cm. 000216824 4901_ $$aOpen-file report ;$$v98-221 000216824 500__ $$aCover title. 000216824 500__ $$a"U.S. Department of the Interior, U.S. Geological Survey" 000216824 500__ $$aImprint from transmittal sheet. 000216824 504__ $$aIncludes bibliographical references (leaves 11-14). 000216824 650_4 $$aGeophysical profiling$$zSouth Platte River Valley (Colo. and Nev.) 000216824 650_0 $$aAggregates (Building materials)$$zSouth Platte River Valley (Colo. and Nev.) 000216824 7001_ $$aLucius, Jeffrey E. 000216824 7001_ $$aFitterman, David V. 000216824 7102_ $$aGeological Survey (U.S.) 000216824 830_0 $$aU.S. Geological Survey open-file report ;$$v98-221. 000216824 85230 $$bdfich$$hI 19.76:$$i98-221 000216824 909CO $$ooai:library.usi.edu:216824$$pGLOBAL_SET 000216824 980__ $$aBIB 000216824 980__ $$aGOV RESOURCE