The Net economic value of recreation on the national forests : twelve types of primary activity trips across nine Forest Service regions
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書誌事項
The Net economic value of recreation on the national forests : twelve types of primary activity trips across nine Forest Service regions
U.S. Dept. of Commerce, National Technical Information Service, [1990]
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注記
Photocopy.
Originally published: Fort Collins, Colo. : U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, [1990]. (Research paper ; RM 289)
"PB90-200023"
"February 90."
Includes bibliographical references (leaves 25-26)