Interpretive aeromagnetic map using the horizontal gradient: Lake City caldera area, San Juan Mountains, Colorado /
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| Format: | Government Document Map |
| Language: | English |
| Published: |
Reston, Va. :
The Survey ;
1987.
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| Series: | Geophysical investigations (Geological Survey (U.S.)) ;
map GP-974. |
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| Item Description: | Relief shown by contours and spot heights. Includes text, bibliography, and index map. Cartographic material. |
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| Physical Description: | 1 map : color ; 58 x 62 cm., on sheet 69 x 129 cm., folded in envelope 30 x 24 cm. |