Magnetic vertical intensity in the United States - epoch 1975.0 /
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| Format: | Government Document Map |
| Language: | English |
| Published: |
Reston, Va. :
The Survey,
1976.
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| Series: | Miscellaneous investigations series (Geological Survey (U.S.)) ;
map I-914. |
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| Item Description: | "Prepared in cooperation with the National Oceanic and Atmospheric Administration." "Editions prior to 1976 published as Chart 3077z by the Coast and Geodetic Survey, Environmental Science Services Administration, U.S. Department of Commerce." Includes text and inset of Hawaii, scale 1:7,500,000. Cartographic material. |
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| Physical Description: | 1 map : both sides, color ; on sheet 84 x 120 cm. |