Reconnaissance geologic map of the Columbia River basalt group, northern Oregon and western Idaho
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| Format: | Government Document Map |
| Language: | English |
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[Reston, Va.?] :
The Survey,
1981
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| Series: | Open-file report (Geological Survey (U.S.))
81-797 |
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| Item Description: | Contour interval 200 ft Includes bibliographical references, location diagram and text Microfiche. [Denver, Colo. : U.S. Geological Survey, 1982?]. 2 microfiche ; 11 x 15 cm |
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| Physical Description: | 5 maps on 5 sheets + 1 text (24 leaves) |