Overview generated Autumn 2009. The result of five years of concentrated scientific research, repeated expert review and practice in the field, LANDFIRE National data can be — and are being — used at national, regional and large landscape scales. LANDFIRE products have been vetted by numerous organizations and individuals across the nation who bring decades of practical experience to problem-solving and developing important new knowledge and applications. The LANDFIRE project is a unique collaboration among the USDA Forest Service, the Department of the Interior and The Nature Conservancy.