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General Information

  • Title: Aeromagnetic maps and terrace-magnetization map centered on the Idaho Batholith and Challis volcanic field, northwestern United States
  • Author(s): McCafferty, A.E.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Geophysical Investigations Map GP-994
  • Publication Date: 1992
  • Map Scale: 1:1,000,000
  • Cross Section: None
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.