1. Biostratigraphy of the marine neogene sequence at Cape Blanco, southwestern Oregon : a study of fossiliferous marine sandstone constituting two unconformity-bounded sequences of early and middle Miocene and of late Miocene age Author/Creator: Addicott, Warren O. Publication/Creation: Alexandria, VA : For sale by the Distribution Branch, U.S. Geological Survey Resource Type: Book Access & Availability: Loading