Proceedings symposium river recreation management research, January 24-27, 1977, Minneapolis, Minnesota North Central Forest Experimental Station text Minnesota North Central Forest Experimental Station 1977 Ind 455 p. : ill. ; 29 cm. 455 p. : ill. ; 29 cm. SYMPOSIUM RIVER RECREATION MANAGEMENT AND RESEARCH (1977 : Minnesota) RIVERS RECREATION MANAGEMENT RESEARCH 551.482 551.482SYMp INLIS000000000025554 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)