Proceedings : symposium, river recreation management and research, January 24-27, 1977, Minneapolis, Minnesota
sponsored by North Central Forest Experiment Station, Backcountry River Recreation Management Research Project, co-sponsored by University of Minnesota, College of Forestry ... [et al.]
Bok Engelsk 1977 River Recreation Management and Research Symposium
| Utgitt | [St. Paul] : The Station , [1977]
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|---|---|
| Omfang | 455 s. : ill.
|
| Emner | Rivers - Recreational use Management Congresses - United States
elver rekreasjon friluftsliv elveløp |
