The magnetic field of the earth, 1990 /

Bibliographic Details
Corporate Author: Geological Survey (U.S.)
Other Authors: Peddie, Norman W.
Format: Government Document Map
Language:English
Published: Reston, Va. : The Survey ; 1993.
Series:Geophysical investigations (Geological Survey (U.S.)) ; GP-1004.
Subjects:
Description
Item Description:Supersedes Peddie and Zunde, 1988.
"Five world charts showing ... earth's magnetic field at mean sea level at the beginning of 1990."
Includes 2 ancillary maps of the polar regions. Scale 1:60,192,000 (along meridians only).
Cartographic material.
Physical Description:5 maps : color ; 63 x 100 cm., on sheets 86 x 122 cm.
Bibliography:Includes bibliographical references.