01539oam 2200433Ia 450 991069588820332120070508090825.0(CKB)5470000002372905(OCoLC)76953121(EXLCZ)99547000000237290520061212d2006 ua 0engurmn||||m||||txtrdacontentcrdamediacrrdacarrierTaking the pulse of a river system, first 20 years[electronic resource][Reston, Va.] :U.S. Dept. of the Interior, U.S. Geological Survey,[2006]4 unnumbered pages digital, PDF fileFact sheet ;2006-3098Title from PDF title screen (viewed on Dec. 12, 2006).At head of title: Upper Midwest Environmental Sciences Center, La Crosse, Wisconsin."June 2006."Includes bibliographical references.Environmental monitoringMississippi RiverEnvironmental monitoringMiddle WestFreshwater ecologyMississippi RiverEnvironmental monitoringEnvironmental monitoringFreshwater ecologyUpper Midwest Environmental Sciences Center (Geological Survey)Geological Survey (U.S.)GISGISGPOBOOK9910695888203321Taking the pulse of a river system, first 20 years3183597UNINA