01687oam 2200469 a 450 991068935300332120080725161315.0(CKB)5470000002331866ocm39890483(OCoLC)39890483(EXLCZ)99547000000233186619980903d1999 ua 0engtxtrdacontentnrdamediancrdacarrierEnvironmental characteristics and water quality of hydrologic benchmark network stations in the midwestern United States, 1963-95 /by M. Alisa Mast and John T. Turk[Washington, D.C.] :U.S. G.P.O. ;Denver, CO :Free on application to the U.S. Geological Survey, Information Services,1999.x, 130 pages illustrations, maps ;28 cmU.S. Geological Survey circular ;1173-BShipping list no.: 2000-0109-P.0-607-92623-6 Includes bibliographical references (pages 112-117).HydrologyMiddle WestHistoryWater qualityMiddle WestHistoryHydrologyHistory.Water qualityHistory.363.739/42/0978Mast M. Alisa1385030Turk John T1385031Geological Survey (U.S.)DLCDLCGPOAGLBAKERBTCTAGPOBOOK9910689353003321Environmental characteristics and water quality of hydrologic benchmark network stations in the midwestern United States, 1963-953432047UNINA