000257332 000__ 01571cam\a2200349Ia\45e0 000257332 001__ 257332 000257332 005__ 20220217104632.0 000257332 007__ he\bmb024bbca 000257332 008__ 020318s2000\\\\couab\\\bb\\\f000\0\eng\d 000257332 035__ $$a(OCoLC)ocm49335448 000257332 035__ $$a257332 000257332 040__ $$aGPO$$cGPO 000257332 043__ $$an-us-co$$an-us-mt$$an-us-nm 000257332 049__ $$aISEA 000257332 074__ $$a0624-H (MF) 000257332 0860_ $$aI 19.76:00-004 000257332 24500 $$aLeaching studies of schwertmannite-rich precipitates from the Animas River headwaters, Colorado and Boulder River headwaters, Montana$$h[microform] /$$cby George Desborough ... [et al.]. 000257332 2463_ $$aLeaching studies of schwertmannite rich precipitates from the Animas River Headwaters, Colorado and Boulder River Headwaters, Montana 000257332 260__ $$aDenver, Colo. :$$bU.S. Dept. of the Interior, U.S. Geological Survey,$$c2000. 000257332 300__ $$a16 leaves :$$bill., map ;$$c28 cm. 000257332 4901_ $$aOpen-file report ;$$v00-004 000257332 500__ $$aCover title. 000257332 500__ $$aShipping list no.: 2002-0155-M. 000257332 504__ $$aIncludes bibliographical references (leaf 10). 000257332 533__ $$aMicrofiche.$$b[Denver, Colo. :$$cU.S. Geological Survey,$$d2002]$$e1 microfiche : negative. 000257332 650_0 $$aAcid mine drainage$$xEnvironmental aspects$$zAnimas River Watershed (Colo. and N.M.) 000257332 650_0 $$aAcid mine drainage$$xEnvironmental aspects$$zMontana$$zBoulder River Watershed (Sweet Grass County) 000257332 650_0 $$aIron oxides$$xEnvironmental aspects. 000257332 7001_ $$aDesborough, George A. 000257332 7102_ $$aGeological Survey (U.S.) 000257332 830_0 $$aU.S. Geological Survey open-file report ;$$v00-004. 000257332 85230 $$bdfich$$hI 19.76:$$i00-004 000257332 909CO $$ooai:library.usi.edu:257332$$pGLOBAL_SET 000257332 980__ $$aBIB 000257332 980__ $$aGOV RESOURCE 000257332 994__ $$aE0$$bISE