The magnetic field in the United States, 1985 : declination chart / Department of the Interior, U.S. Geological Survey ; by Norman W. Peddie and Audronis K. Zunde.

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Bibliographic Details
Corporate Author: Geological Survey (U.S.)
Other Authors: Peddie, Norman W., Zunde, Audronis K.
Other title:Declination chart.
Format: Government Document Map
Language:English
Published: Reston, Va. : Denver, CO : The Survey ; For sale by Map Distribution, 1988.
Series:Geophysical investigations (Geological Survey (U.S.)) ; map GP-986-D.
Subjects:
Description
Item Description:"Supersedes map I-1283."
Alaska and Hawaii on verso. Scale 1:3,500,000.
Physical Description:1 map : color, both sides ; 120 x 191 cm, on sheet 79 x 115 cm.