Geology and mineral resources map of the Double Mountain quadrangle, Malheur County, Oregon [map]
- by Len Ramp and Mark L. Ferns, Oregon Department of Geology and Mineral Industries.
- [Portland, Or.] : The Department, 
- Physical description
- 1 map : col. ; 58 x 42 cm., on sheet 70 x 101 cm., folded in envelope 23 x 31 cm.
- Geologic map series (Oregon. Department of Geology and Mineral Industries) GMS 58.
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