Magnetic inclination in the United States; epoch 1975.0

IMAP 912
By: , and 

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Abstract

Additional publication details

Publication type Report
Publication Subtype USGS Numbered Series
Title Magnetic inclination in the United States; epoch 1975.0
Series title IMAP
Series number 912
Subseries NONE
DOI 10.3133/i912
Edition -
Year Published 1976
Language ENGLISH
Description 1 map :col. ;69 x 113 cm.
Scale 5000000