A mandatory permit system and interpretation for backcountry user control in Rocky Mountain National Park : an evaluative study /
| Main Author: | |
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| Format: | Thesis Microform Book |
| Language: | English |
| Published: |
[Place of publication not identified] :
[publisher not identified] ;
1974.
|
| Subjects: |
Evans: Microforms (3rd floor)
| Call Number: |
film B 3645 |
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|---|---|---|