 | Herrington, Roscoe Burwell. | (1) |
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 | Herrington, Roscoe Burwell.; Skiing trends and opportunities in the Western States / Roscoe B. Herrington in cooperation with Economic Development Administration, U.S. Dept. of Commerce. Ogden, Utah : Intermountain Forest & Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1967. | |
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