na INLIS000000000006482 Ind 0010-1118006482 River water quality monitoring CANTER, Larry W by Larry W. Canter Michigan Lewis 1985 xvi, 170 p.: ill.; 24 cm. xvi, 170 p.: ill.; 24 cm. ISBN: 0-87371-011-8 546.212 WATER QUALITY RIVERS 49/BPV/95