Use of CVO Material

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Lateral scarp formed by recent movement at the edge of the monitored Cleveland Corral landslide. Sliding ground is to the right of the bare soil exposed in the scarp. Highway 50 is visible (gray, upper center) below the slide.
-- USGS Photo by: Mark Reid, USGS/Menlo Park, 1997

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Looking upslope along left lateral scarp near middle of slide.
-- USGS Photo by: Mark Reid, USGS/Menlo Park, 1997

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Looking upslope along left lateral scarp near toe of slide.
-- USGS Photo by: Mark Reid, USGS/Menlo Park, 1997

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Aerial view of the Mill Creek landslide blocking Highway 50.
-- Photo courtesy of: Lynn Harrison, CALTRANS

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Cabins damaged and destroyed by the massive Mill Creek landslide that occurred on January 24, 1997.
-- USGS Photo by: Mark Reid, USGS/Menlo Park, 1997

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Testing the solar-powered radio telemetry system used for real-time monitoring.
--USGS Photo by: Mark Reid, USGS/Menlo Park

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Measuring landslide movement using a surface extensometer. Extensometer crosses several scarps (breaks that expose the reddish soils) at the head of the landslide.
-- USGS Photo by: Richard LaHusen, USGS/CVO

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Caltrans drill rig installing subsurface extensometers (to measure landslide movement) and pore-water pressure sensors (to measure ground-water conditions) in the Mill Creek landslide.
-- USGS Photo by: Mark Reid, USGS/Menlo Park

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