U.S. Geological Survey
Open-File Report 05-1296
Figure 5. Photo and sketch of a sequence of fine-grained debris flow and/or sheet wash deposits including possible de-watering structures in coarser grained sand. Note thrusting along the base of the over-riding pebble gravel debris flow and the imbrications of pebbles in the debris flow. Knife is 6 inches long. (See location on Figure 3)
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