Many undocumented and commonly unmaintained levees exist in the landscape complicating flood forecasting, risk management, and emergency response. This report describes a pilot study completed by the U.S. Geological Survey in cooperation with the
Czuba, Christiana R. cczuba@usgs.gov,Williams, Byron K.,Westman, Jack,et al. An assessment of two methods for identifying undocumented levees using remotely sensed data. 2015-01-01.