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A comparison of four survey techniques used in outdoor recreation researchAuthor(s): Elwood L., Jr. Shafer; John F., Jr. Hamilton
Source: Res. Pap. NE-86. Upper Darby, PA: U. S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 22 p.
Publication Series: Research Paper (RP)
Station: Northeastern Research Station
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CitationShafer, Elwood L., Jr.; Hamilton, John F., Jr. 1967. A comparison of four survey techniques used in outdoor recreation research. Res. Pap. NE-86. Upper Darby, PA: U. S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 22 p.
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