File:1992. Beth Willhite, Tommy Gregg, and Bruce Hostetler taking Douglas-fir tussock moth defoliation readings. Pine Ranger District, Wallowa-Whitman National Forest. (36362328493).jpg
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![File:1992. Beth Willhite, Tommy Gregg, and Bruce Hostetler taking Douglas-fir tussock moth defoliation readings. Pine Ranger District, Wallowa-Whitman National Forest. (36362328493).jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/c/c7/1992._Beth_Willhite%2C_Tommy_Gregg%2C_and_Bruce_Hostetler_taking_Douglas-fir_tussock_moth_defoliation_readings._Pine_Ranger_District%2C_Wallowa-Whitman_National_Forest._%2836362328493%29.jpg/800px-thumbnail.jpg?20180504000742)
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