Since 1969. Kills moles, gophers (For use on pocket gophers only), woodchucks (Not for use on woodchucks in California), Norway rats (Use in North Carolina on Norway rats only), skunks & ground squirrels. Quickly kills: Moles, gophers (For use on pocket gophers only) and ground squirrels in their holes, tunnels and burrows. This product has been used successfully for many years to control pests listed on this label. Products Act, Canada. Made in USA.