Not for control, but for population monitoring-
There aren’t many grizzlies in Eastern Idaho. They are pretty much confined to the Targhee portion of the Caribou-Targhee National Forest up against Yellowstone Park and Grand Teton Park. Their range is slowly expanding. For example, grizzlies used to be found only north of Badger Creek up against Grand Teton, but now they are occasionally found all the way to the southern tip of the West Slope of the Tetons.* They are also slowly reoccupying the Idaho/Montana border (which is also the Continental Divide).
Annual scientific grizzly bear trapping to begin. By Gregg Losinski. River City Weekly (Idaho Falls, ID)
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Actually the southern tip of the Tetons is in Wyoming.