00767     2200205   4500001002100000008004100021035002000062245017900082100004600261110004600307260006300353300005100416084001600467082001200483650001100495650001500506650001500521650001300536990001200549INLIS000000000025554                                   Ind    a0010-1218007392  aProceedings symposium river recreation management research, January 24-27, 1977, Minneapolis, MinnesotacSYMPOSIUM RIVER RECREATION MANAGEMENT AND RESEARCH (1977 : Minnesota)  aNorth Central Forest Experimental Station  aNorth Central Forest Experimental Station  aMinnesotabNorth Central Forest Experimental Stationc1977  a455 p. : ill. ; 29 cm.c455 p. : ill. ; 29 cm.  a551.482SYMp  a551.482  aRIVERS  aRECREATION  aMANAGEMENT  aRESEARCH  a1180/79