Outdoor recreation in America: trends, problems, and opportunities, by C. R. Jenson, and Issues in outdoor recreation, ed. C. R. Jensen and C. T. Thorstenson
Croskery, Peter
Article
1978
The Canadian field-naturalist
92
Issue: 4
416--416
New York Botanical Garden, LuEsther T. Mertz Library
English
Ottawa Ottawa Field-Naturalists' Club
DOI: https://doi.org/10.5962/p.346741
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