Biblioteca IFEA
Biblioteca IFEA
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The environmental and tectonic significance of two coeval Permian radiolarian-sponge associations in eastern Oregon

By: Contributor(s): Material type: ArticleArticleLanguage: Eng Series: U. S. Geological survey professional paper, 1439Subject(s): Other classification:
  • Am.Géol 251
 In: Geology of the Blue Mountains region of Oregon, Idaho, and Washington : stratigraphy, physiography, and mineral resources of the Blue mountains region p. 183-198 : carte, graph., tab.
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bibliogr. p. 196-198

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