Geology and mineral resources map of the Mitchell Butte quadrangle, Malheur County, Oregon
- geology by Mark L. Ferns and Kevin M. Urbanczyk.
- [Portland, Ore.] : Oregon, Dept. of Geology and Mineral Industries, 1990.
- 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 61.
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