A Montana man, who was crop dusting in eastern Laramie County for Circle S Aviation, crash landed his plane this morning about a mile west of the Pine Bluffs Airport. Laramie County Sheriff's Department spokesman Gerry Luce says the pilot, identified as Mark Nardin from Emigrant, Montana was able to walk away from the crash. The plane, a Cessna 188 AG Husky, was extensively damaged. Luce says the crash will be investigated by federal authorities.