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000220074 001__ 220074
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000220074 008__ 990816s1995\\\\caua\\\\\b\\\f000\0\eng\d
000220074 035__ $$a(OCoLC)33867147
000220074 035__ $$a220074
000220074 040__ $$aGIS$$cGIS$$dISE
000220074 049__ $$aISEA
000220074 074__ $$a0624-H
000220074 0860_ $$aI 19.76:95-805-A
000220074 1001_ $$aPurcell, Kevin P.
000220074 24510 $$aTime drill :$$ban introduction to geologic time /$$cby Kevin P. Purcell.
000220074 260__ $$a[Menlo Park, CA] :$$bU.S. Dept. of the Interior, U.S. Geological Survey,$$c1995.
000220074 300__ $$a48 p. :$$bill. ;$$c28 cm.
000220074 4901_ $$aOpen-file report ;$$v95-805A
000220074 500__ $$aAlso available as floppy disk designed for Macintosh computers.
000220074 504__ $$aIncludes bibliographical references (p. 13-16).
000220074 650_0 $$aGeological time$$xStudy and teaching (Elementary)
000220074 7102_ $$aGeological Survey (U.S.)
000220074 830_0 $$aU.S. Geological Survey open-file report ;$$v95-805A.
000220074 85230 $$bdfich$$hI 19.76:$$i95-805-A
000220074 909CO $$ooai:library.usi.edu:220074$$pGLOBAL_SET
000220074 980__ $$aBIB
000220074 980__ $$aGOV RESOURCE
000220074 994__ $$aE0$$bISE