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Treesearch

A comparison of four survey techniques used in outdoor recreation research

Informally Refereed
Download (PDF 1.20 MB): https://research.fs.usda.gov/download/treesearch/3903.pdf

Citation

Shafer, 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.