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The magnetic field in the United States, 1990: Declination chart

Geophysical Investigations Map 1002-D
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Suggested Citation

Peddie, N., 1992, The magnetic field in the United States, 1990: Declination chart: U.S. Geological Survey Geophysical Investigations Map 1002, 2 Plates: 44.31 × 29.74 inches and 42.46 × 30.07 inches, https://doi.org/10.3133/gp1002D.

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Publication type Report
Publication Subtype USGS Numbered Series
Title The magnetic field in the United States, 1990: Declination chart
Series title Geophysical Investigations Map
Series number 1002
Chapter D
DOI 10.3133/gp1002D
Year Published 1992
Language English
Publisher U.S. Geological Survey
Description 2 Plates: 44.31 × 29.74 inches and 42.46 × 30.07 inches
Country United States
Scale 500000
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