TY - RPRT TI - Magnetic stratigraphy of boreholes 6M2MW7 and 6M36MW8 at March Air Force Base, California AU - John W. Hillhouse AU - B. F. Cox PY - 1997 DO - 10.3133/ofr97862 UR - https://pubs.usgs.gov/publication/ofr97862 ID - ofr97862 ER -