An indirect method of wildland fire control in which a fire line is made parallel to and just far enough from the fire edge to enable personnel and equipment to work effectively
Ralph W. Burklin & Robert G. Purington, Fire Terms: A Guide to Their Meaning and Use, National Protection Association, Boston, MA 1980 USA. (Guide: Meaning and Use, Nat Prot Association Fr Srvc - Amer) {457}