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Reconnaissance geologic map of the John Day formation in the southwestern part of the Blue Mountains and adjacent areas, north-central Oregon
- Author / Creator
- Available as
- Physical
Details
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- Creator
- by Paul T. Robinson ; Department of the Interior, United States Geological Survey
- Format
- Maps, Atlases
- Language
- English
- Contributors
- Publication
-
- Reston, Va. : The Survey, 1975
- Physical Details
-
- 1 map : color ; on sheet 87 x 112 cm., folded in envelope 30 x 24 cm
- OCLC
- ocm02859896
- Cartographic Data
-
Scale 1:125,000(W 121⁰40ʹ--W 119⁰45ʹ/N 45⁰00ʹ--N 44⁰30ʹ).
- "Contour interval 200 feet with supplementary contours at 100-foot intervals."
- Includes "Index to sources used in preparing present map," 3 col. cross sections, and location map.
- Includes bibliographical references.