A G-858 magnetometer is used during geophysical surveying efforts at a home in the Spring Valley Formerly Used Defense Site January 16, 2019 as part of the Site-Wide Remedial Action approved for the FUDS. The surveying is part of an effort to identify metallic anomalies below the surface that could be munitions left in the ground as a result of military activity in the area during World War I. Extensive cleanup activities have been carried out in the Spring Valley Formerly Used Defense Site, and while there are no known munitions hazards on these properties, this work is being done, as always, out of an abundance of caution and concern for the safety of residents and community members.