Area	Lower Big River
Topic	Sediment: Matthews Landslides Volume Delivered in Little NF 1921-2000

 

Caption:  The chart above shows Matthews and Associates (2001) total computed sediment delivery quantities for the Little North Fork Big River sub-basin per analysis period. Estimates are generated from aerial photographs. The largest landslide sediment contributions appear to have occurred during the 1937-1952 period. Matthews and Associates (2001) note, the actual number of slides in the 1921-1936 period is likely an underestimate, since 1936 aerial photo coverage was unavailable for the eastern half of the watershed. See Info Links for more background information and links to references.

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