![Yellowstone National Park / Predation / Wolf reintroduction / Greater Yellowstone Ecosystem / Gray wolf / Elk / Coyote / Beaver / Aspen / Zoology / Biology / Wyoming Yellowstone National Park / Predation / Wolf reintroduction / Greater Yellowstone Ecosystem / Gray wolf / Elk / Coyote / Beaver / Aspen / Zoology / Biology / Wyoming](https://www.pdfsearch.io/img/9de94f4c6dbfa31c6894b677b3aa6930.jpg)
| Document Date: 2012-01-05 13:23:09 Open Document File Size: 203,45 KBShare Result on Facebook
Event Environmental Issue / Extinction / / Facility Oregon State University / / Organization Fish and Wildlife Service / Oregon State University / Park Service / / Person William Ripple / Robert Beschta / / Position Reporter / /
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