For details see FRAP website Fire Perimeters at <http://frap.cdf.ca.gov/projects/fire_data/fire_perimeters/>
The user will cite the Department of Forestry and Fire Protection as the original source of the data, but will clearly denote cases where the original data have been updated, modified, or in any way altered from the original condition.
There are no restrictions on distribution of the data by users. However, users are encouraged to refer others to the Department of Forestry and Fire Protection to acquire the data, in case updated data become available.