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Chapter 11. Conservation status of boreal owls in the United States
| Authors: | Gregory D. Hayward |
| Year: | 1994 |
| Type: | General Technical Report |
| Station: | Rocky Mountain Research Station |
| Source: | In: Hayward, G. D.; Verner, J., tech. editors. Flammulated, boreal, and great gray owls in the United States: A technical conservation assessment. Gen. Tech. Rep. RM-253. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station. p. 139-147 |
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