Outdoor recreation / Douglas M. Knudson
| Main Author: | Knudson, Douglas M. |
|---|---|
| Format: | MONOGRAPHS |
| Language: | English |
| Published: |
London : Collier Macmillan, 1984 |
| Subjects: |
Natural resources --
> Management --
> United States.
Outdoor recreation -- > Management -- > United States. |
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