Reconnaissance geologic map of the John Day formation in the southwestern part of the Blue Mountains and adjacent areas, north-central Oregon [cartographic material] - Yale University Library GeoBlacklight

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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 [cartographic material]

Author:: Robinson, Paul T.
Publisher:: The Survey
Subject:: Geology
Spatial Coverage:: Oregon, Jefferson County, Wheeler County, Wasco County, and Crook County
Language:: English
Year:: 1975
Date Issued:: 2013-06-17T18:53:36Z
Date Modified:: 2013-06-26T19:51:35Z
Library Catalog Record:: https://search.library.yale.edu/catalog/11415342
Digital Collections Record:: No Digital Collections record

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