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The magnetic field of the earth— 1985: Horizontal intensity chart

Geophysical Investigations Map 987-H
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Publication type Report
Publication Subtype USGS Numbered Series
Title The magnetic field of the earth— 1985: Horizontal intensity chart
Series title Geophysical Investigations Map
Series number 987
Chapter H
DOI 10.3133/gp987H
Year Published 1988
Language English
Publisher U.S. Geological Survey
Description 1 Plate: 48.32 × 34.00 inches
Scale 400570
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