National Geologic Map Database
General Information
- Title: Magnetic declination in the United States - Epoch 1980
- Author(s): Fabiano, E.B., and Peddie, N.W.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Miscellaneous Investigations Series Map I-1283
- Publication Date: 1980
- Map Scale: 1:5,000,000
- Cross Section: None
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