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• 2006-03-16 21:54 Daniel Collins 735×389× (166039 bytes) Source: USGS. URL: http://geology.wr.usgs.gov/wgmt/elnino/scampen/valverde.html. Description: Debris flow scars formed in 1968-1969 in greater Los Angeles. The image taken months after the debris flows occurred.

1. ↑ ^{a b} Preliminary Soil-slip Susceptibility Maps, Southwestern California, USGS, 2003. Figure 4.