Long-period EarthScope-style magnetotelluric survey of southern United States, carried out through a cooperative agreement between the U.S. Geological Survey (USGS) and Oregon State University (OSU). A subset of 40 stations in the SW US were funded through NASA grant 80NSSC19K0232.
Land permitting, data acquisition, quality control and field processing were
carried out by Green Geophysics with project management and instrument/engineering support from OSU and Chaytus Engineering, respectively.
Program oversight, definitive data processing and data archiving were provided by the USGS Geomagnetism Program and the Geology, Geophysics and Geochemistry Science Centers.