TY  - BOOK
ED  - National Symposium of River Recreation Management and Research 
TI  - Proceedings of the first National Symposium of River Recreation Management and Research held at Minneapolis, Minnesota on January 24-27, 1977
U1  - 658.913378 21st ed.
PY  - 1977///
CY  - Minnesota
PB  - North Central Forest Experiment Station, Forest Service, Department of Agriculture, Government of U.S
KW  - Rivers-Recreational use-United States-Management-Congresses
ER  -