01574nam 2200433 a 450 991069894900332120090707132858.0(CKB)5470000002398386(OCoLC)422755709(EXLCZ)99547000000239838620090707d2009 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierTaking the pulse of a river system[electronic resource] research on the Upper Mississippi River System /product of the Long Term Resource Monitoring Program[Reston, Va.] :U.S. Dept. of the Interior, U.S. Geological Survey,[2009]4 unnumbered pages digital, PDF fileFact sheet ;2009-3045Title from title screen (viewed on July 7, 2009)."June 2009."Taking the pulse of a river system Environmental monitoringMississippi RiverEnvironmental monitoringMiddle WestWater qualityMississippi RiverFreshwater ecologyMississippi RiverEnvironmental monitoringEnvironmental monitoringWater qualityFreshwater ecologyLong Term Resource Monitoring Program (Environmental Management Program)Geological Survey (U.S.)GPOGPOBOOK9910698949003321Taking the pulse of a river system3453478UNINA