Show poison den the best cst and quickest method of killing a woodchuck in its den is with poison gas this thia may be done by piping the exhaust from an automobile int into otile the den by means of a hose the hose should be carried well down into the den and dirt should be packed around it before the engine is started with the engine running ing for 10 to 20 minutes enough carbon monoxide gai gas will be produced to kill all innab inhabitants stants of the burrow the opening to the burrow must be thorough thoroughly closed the most convenient and positive poison Is wo woodchuck 1 b bombs although calcium cyanide or carbon rilay may be used two or three tablespoons of calcium cyanide tilde placed well down the burrow will be sufficient if the entrance and all openings are closed with dirt well tramped d down wn three or four our table tablespoons tablespoon spoor of carbon carbon put on a pad of absorbent cotton cloth 0 or r waste and pushed into the burrows bows with all entrances entrant es tightly closed are effective calcium and carbon bl sulphIde are very poisonous and must be handled ha died with care carbon carbott Is highly explosive and should never be used while an operator is smoking or near an open name flame |