The Net economic value of recreation on the national forests : twelve types of primary activity trips across nine Forest Service regions / [et al.]
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Format: | Texto biblioteca |
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Language: | d |
Published: |
Fort Collins, Colo. : U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station,
1990
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Subjects: | FOREST RESERVES-UNITED STATES-RECREATIONAL USE-STATISTICS, McCollum, Daniel W., Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.), |
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