TY - RPRT TI - Preliminary interpretation of total intensity aeromagnetic profiles of the Koyukuk area, Alaska AU - Isidore Zietz AU - William Wallace Patton AU - W.J. Dempsey PY - 1959 DO - 10.3133/ofr59132 UR - https://pubs.usgs.gov/publication/ofr59132 ID - ofr59132 ER -