TY - RPRT TI - Preliminary interpretation of aeromagnetic and gravity data near the Large Aperture Seismic Array, Montana AU - Isidore Zietz AU - B.C. Hearn AU - Donald Plouff PY - 1968 DO - 10.3133/ofr68340 UR - https://pubs.usgs.gov/publication/ofr68340 ID - ofr68340 ER -