Transcontinental geophysical survey (35⁰-39⁰N) : radiometric age determinations of rocks /
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| Corporate Author: | |
| Format: | Government Document Map |
| Language: | English |
| Published: |
Washington, D.C. :
Interior--Geological Survey,
1968.
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| Series: | Miscellaneous geologic investigations ;
map I-537. |
| Subjects: |
| Item Description: | "Compiled in 1966-67." Includes location map. Cartographic material. |
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| Physical Description: | 4 maps on 1 sheet ; 8 x 60 cm., sheet 68 x 78 cm. folded in envelope in envelope 30 x 24 cm. + 1 text. |