Large fire events were a normal part of southern California’s natural history based on charcoal evidence.
Byrne, R., J. Michaelsen, and A. Souter. 1977. Fossil charcoal as a measure of wildfire frequency in southern California: a preliminary analysis. Pp. 361-367 in H. A. Mooney and C. E. Conrad (eds), Proceedings of the symposium on environmental consequences of fire and fuel management inMediterranean ecosystems. USDA Forest Service, General Technical ReportWO-3.