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October 2019 to March 2020 airborne magnetic survey covering a 225 by 110 kilometer area in northwest Arkansas. The dataset contains 67,614 line-kilometers of data collected from a fixed-wing aircraft flown at a mean terrain clearance of 167 meters along north-south flight lines spaced 200 meters apart. The survey was funded by the USGS National Cooperative Geologic Mapping Program and the Earth Mapping Resource Initiative.
Primary data format is XML; users should be prepared to handle this format for geophysical data. The license is listed as 'notspecified', requiring verification before commercial use.