Site visits in Colorado River corridor to evaluate erosion risk of and sediment supply conditions at archaeological sites.
Equipment or personnel only. Data, if any, are managed under a different field activity.
Location
Glen and Grand Canyon, Colorado River, Arizona
Summary
USGS not the primary repository of data.
Erosion risk assessed with respect to both aeolian sand transport and overland flow (gully erosion) at archaeological sites along the Colorado River corridor. Collected approximately 700 oblique photographs.
Info derived
Erosion risk assessment.
Comments
Equipment used included field cameras; platform was motorized rafts owned and operated by USGS Grand Canyon Monitoring and Research Center. No navigation needed.