Displaying all 2 works
Sorted by most recent date added to the index first, which may not be the same as publication date order.
1977 conference paper
Simulation modeling as a tool for managing river recreation
Proceedings : symposium, river recreation management and research, January 24-27, 1977, Minneapolis, Minnesota, 304–311. USDA For. Serv.
1977 conference paper
Strategies for counting river recreation users
Proceedings : symposium, river recreation management and research, January 24-27, 1977, Minneapolis, Minnesota, 388–390. St. Paul, MN: USDA For. Serv.
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