The magnetic field in the United States, 1990. Total intensity chart /
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| Other Authors: | |
| Format: | Government Document Map |
| Language: | English |
| Published: |
Reston, Va. :
The Survey ;
1992.
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| Series: | Geophysical investigations (Geological Survey (U.S.)) ;
GP-1002-F. |
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| Item Description: | "Supersedes Peddie and Zunde, 1988." Alaska and Hawaii on verso. Scale 1:3,500,000. Cartographic material. |
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| Physical Description: | 1 map : both sides, color ; 61 x 99 cm. |