Elfrida Land Subsidence Feature-Subsidence Map MAR-2014 to APR-2016
Elfrida Land Subsidence Feature located in the Douglas INA
Land Subsidence Maps (LSM)
Land subsidence is measured using satellite Interferometric Synthetic Aperture Radar (InSAR) data which are processed and analyzed by the Arizona Department of Water Resources.
Land Subsidence:
Elfrida