The magnetic field in the United States, 1985 : inclination chart /
| Corporate Author: | |
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| Other Authors: | , |
| Format: | Government Document Map |
| Language: | English |
| Published: |
Reston, Va. :
The Survey ;
1988.
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| Series: | Geophysical investigations (Geological Survey (U.S.)) ;
map GP-986-I. |
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| Item Description: | "Supersedes map I-912." Alaska and Hawaii on verso. Scale 1:3,500,000. Cartographic material. |
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| Physical Description: | 1 map : color, both sides ; 120 x 191 cm., on sheet 79 x 115 cm. |