TY - RPRT TI - A preliminary interpretation of the 1997 airborne electromagnetic (EM) survey over Fort Huachuca, Arizona, and the Upper San Pedro River basin AU - J. C. Wynn AU - M. E. Gettings PY - 1997 DO - 10.3133/ofr97457 UR - https://pubs.usgs.gov/publication/ofr97457 ID - ofr97457 ER -