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The Magnetic field of the earth-1985 declination chart

Geophysical Investigation Map 987-D
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Publication type Report
Publication Subtype USGS Numbered Series
Title The Magnetic field of the earth-1985 declination chart
Series title Geophysical Investigation Map
Series number 987
Chapter D
DOI 10.3133/gp987D
Edition -
Year Published 1988
Language ENGLISH
Description 1 map :col. ;sheet 86 x 122 cm.
Scale 400570
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