Magnetic models for the United States for 1985 /
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| Corporate Author: | |
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| Format: | Government Document Book |
| Language: | English |
| Published: |
[Reston, Va.] :
Dept. of the Interior, U.S. Geological Survey ;
1990.
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| Series: | U.S. Geological Survey circular ;
1039. |
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| Item Description: | Shipping list number: 90-060-P. |
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| Physical Description: | iii, 26 pages : illustrations, maps ; 28 cm. |
| Bibliography: | Includes bibliographical references (page 5). |