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000257907 074__ $$a0624-H (online)
000257907 0860_ $$aI 19.76:00-258
000257907 1001_ $$aWilburn, D. R.$$q(David R.)
000257907 24510 $$aPreliminary report on aggregate use and permitting along the Colorado Front Range$$h[microform] /$$cby David R. Wilburn and William H. Langer.
000257907 250__ $$aPaper ed.
000257907 260__ $$aDenver, Colo. :$$bU.S. Dept. of the Interior, U.S. Geological Survey,$$c[2000]
000257907 300__ $$a22 leaves :$$bill. (some col.), col. map ;$$c28 cm.
000257907 4901_ $$aOpen file report ;$$v00-258
000257907 500__ $$aCover title.
000257907 500__ $$aShipping list no.: 2002-0363-M.
000257907 504__ $$aIncludes bibliographical references (leaves 21-22).
000257907 530__ $$aAlso available via Internet from the USGS Web site (PDF file). Address as of 7-16-02: http://greenwood.cr.usgs.gov/pub/open-file-reports/ofr-00-0258/ofr-00-0258so.pdf; current access is available via PURL.
000257907 533__ $$aMicrofiche.$$b[Denver, Colo. :$$cU.S. Geological Survey,$$d2002]$$e1 microfiche : negative.
000257907 650_0 $$aAggregates (Building materials)$$zFront Range (Colo. and Wyo.)
000257907 7001_ $$aLanger, William H.
000257907 7102_ $$aGeological Survey (U.S.)
000257907 830_0 $$aU.S. Geological Survey open-file report ;$$v00-258.
000257907 85230 $$bdfich$$hI 19.76:$$i00-258
000257907 85641 $$uhttp://purl.access.gpo.gov/GPO/LPS20441$$zAdobe Acrobat Reader required
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