Photograph shows men in the bush loading logs onto a sled. Description of operation on the reverse is "Loading logs with a 'side jammer' a derrick affair arranged with blocks & cables. Two 'pigs feet" on end of a crotch chain are hooked into ends of logs and log is then hauled up by a team on cable and log is placed by the top loader or "sky piece." Men who hold ropes attached to "pigs feet" are "bull rope men". They hook the clouts into log & keep it from sconingping??. Two other men keep logs "tailed down' handy??"