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Gray Wolf. 1800-350,000 located lower 48 states especially west Preyed on bison, elk, caribou and mule deer1850-1900 Most were shot, trapped, and poisoned by ranchers, hunters, and government employeesKeystone species entered ESA list in 1974Wolves provided uneaten meat for scavengersWolves co
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1. Chapter 10 Sustaining Terrestrial Biodiversity: The Ecosystem Approach