7/16/99 23:00 hrs Mt. Holly Springs fire dept. responded to a well involved 400ft chicken barn in adams cty Pa. Truck 36 arrived on scene and was assigned to force entry by breeching side 2 of the structure. Truck crew used power saws,tower hooks,and numerous hand tools. Followed by an interior attack through the breeched wall to stop the advancing fire. The advancing fire was stopped and elevated master streams from Truck 36 and Quint 1 were used for overhaul. 15 eng. co's, 20 tankers,6 rescue co's, 2 truck co's and 3 bls units assisted on scene.