000 00717nam a2200145Ia 4500
999 _c30490
_d30490
003 FRI
005 20190313122206.0
008 130910s9999 xx 000 0 und d
041 _aeng
082 _221st ed.
_a658.913378
_bNAT/P
110 _aNational Symposium of River Recreation Management and Research
_n(1st :
_cMinneapolis :
_dJanuary 24-27, 1977)
245 _aProceedings of the first National Symposium of River Recreation Management and Research held at Minneapolis, Minnesota on January 24-27, 1977.
260 _aMinnesota :
_bNorth Central Forest Experiment Station, Forest Service, Department of Agriculture, Government of U.S ,
_c1977
300 _a455p ;
_c27cm
653 _aRivers-Recreational use-United States-Management-Congresses
942 _cEN
_2ddc