The application of weather modification techniques as a fire control tool was field tested in Alaska during the summers of 1969 and 1970. The 1969 trial was primarily exploratory. Data gathered indicated clouds or cloud-systems exist in interior Alaska which are amenable to current cold cloud modification techniques and could be used in fire control. Based upon these data and results obtained during 1969, a full-scale field trial was designed and conducted during June and July of 1970. Organization of the project, equipment, and facilities -- as well as the imposed constraints -- are discussed. Results show cloud seeding can be an effective fire control tool when the proper meteorological conditions exist. The potential is great if application can be made under these conditions. However, like any tool, weather modification techniques can only supplement other fire control techniques already in use.