Transcontinental geophysical survey (35⁰-39⁰ N) : seismic refraction profiles of the crust and upper mantle from 74⁰ to 87⁰ W longitude /
| Main Author: | |
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| Corporate Authors: | , |
| Format: | Government Document Map |
| Language: | English |
| Published: |
Washington, D.C. :
U.S. Geological Survey,
1968.
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| Series: | Miscellaneous geologic investigations ;
map I-535-D. |
| Subjects: |
| Item Description: | "A contribution to the Upper Mantle Project." "Prepared in cooperation with the Advanced Research Projects Agency." Cartographic material. |
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| Physical Description: | 1 map profile ; 50 x 112 cm., folded in envelope 30 x 24 cm. + text (4 pages ; 27 cm.) |