TY - RPRT TI - Preliminary Image Map of the 2007 Grass Valley Fire Perimeter, Lake Arrowhead Quadrangle, San Bernardino County, California AU - Perry S. Clark AU - Wendy S. Scratch AU - Gaylord W. Bias AU - Gregory B. Stander AU - Jenne L. Sexton AU - Bridgette J. Krawczak PY - 2008 DO - 10.3133/ofr20081045 UR - https://pubs.usgs.gov/publication/ofr20081045 ID - ofr20081045 ER -