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By: Maryland Geological Survey. - Bassler, Ray S. (Ray Smith), - Berry, Edward Wilber, - Berry, Edward Wilber, - Clark, William Bullock, - Gardner, Julia Anna, - Goldman, Marcus I. - Pilsbry, Henry Augustus, - Stephenson, Lloyd William,Edition:Publication info: Baltimore, The Johns Hopkins press, 1916Volume: v.6:pt.2 (1916) [Upper Cretaceous] [plates]Series:Holding Institution: University of California LibrariesSubjects:BHL Collections: