Pacific Southwest

Title: Implications of the USGS analysis of slope stability at Sulphur Creek

Author: Reid, L. M.

Date: 1998

Source: Unpublished review prepared for the National Marine Fisheries Service. USDA Forest Service, Pacific Southwest Research Station, Redwood Sciences Laboratory, Arcata, California. 8 p.

Description: The slope stability equation and values for material properties recommended by USGS geologist Dr. Raymond Wilson were used to map the stability regime of the four units of THP 1-97-307 HUM and the two units of THP 1-96-413 HUM. When calculations are carried out for conditions without trees, results indicate that each unit includes significant areas that would be expected to fail during storms of a size that occurs regularly in the area.

Keywords: PSW4351, slope stability, landslides, hillslope angle

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Citation

Reid, L. M.  1998.  Implications of the USGS analysis of slope stability at Sulphur Creek.   Unpublished review prepared for the National Marine Fisheries Service. USDA Forest Service, Pacific Southwest Research Station, Redwood Sciences Laboratory, Arcata, California. 8 p..