TY - RPRT TI - Concepts and procedures required for successful reduction of tensor magnetic gradiometer data obtained from an unexploded ordnance detection demonstration at Yuma Proving Grounds, Arizona AU - Robert E. Bracken AU - Philip J. Brown PY - 2006 DO - 10.3133/ofr20061027 UR - https://pubs.usgs.gov/publication/ofr20061027 ID - ofr20061027 ER -