Follo, Michael Sedimentology and stratigraphy of the Martin Brdige Limestone and Hurwal formation (Upper Triassic to Lower Jurassic) from the Wallowa terrane, Oregon - U. S. Geological survey professional paper, 1439 . bibliogr. p. 26-27 Subjects--Topical Terms: SédimentologieStratigraphieTriasJurassiqueGéologie régionaleTertiaireSédiment carbonatéPaléogéographieAccrétion Subjects--Index Terms: Etats Unis Oregon