size in the United States (judson and Ritter, 1964; Brown and Ritter, 1971). This area has
undergone recent (post-Miocene) uplift and is underlain by highly deformed and faulted
sandstone and melange units of the Franciscan assemblage. This study investigates the
sources of the large amount of sediment, the processes by which the sediment moves, and
the times of sediment transport in the upper half of the Van Duzen River basin in the …