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Colorado Trails

Judge Bans Cyanide Devices on Colorado Public Lands

The poison "bombs" have been used to control coyote populations.

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This week an acting Colorado U.S. attorney signed a ban ordering Colorado Wildlife Services to stop using M-44 devices on public lands until federal researchers can study their effect on the environment. The M-44s eject cyanide to kill predator coyotes. Several other groups have filed federal suit to ban the devices nationwide.