TY - GEN AU - Murchey,Benita AU - Jones,David TI - The environmental and tectonic significance of two coeval Permian radiolarian-sponge associations in eastern Oregon T2 - U. S. Geological survey professional paper, 1439 KW - Faune radiolaire KW - Eponge KW - Tectonique KW - Permien KW - Paléoenvironnement KW - Géologie régionale KW - Etats Unis KW - Oregon N1 - bibliogr. p. 196-198 ER -