Page:Field Notes of Junius Henderson, Notebook 2.pdf/94



June 5, 1908

Started south over on foot. Lyons here flanks the Fountain with tendency to form a low ridge. Collected Quaternary fossils in. On S side of canyon found upper Morrison shales well exposed. “Dakota” basal sandstone here about 75 ft thick, medial shales 50 ft. and upper sandstone with intercalated clay bands 60 ft. No fossils. Shales look as at, lower part covered. No conglomerate at base of the “Dakota”. Went S nearly to, but found no exposures of anything later than Fountain except a little Lyons on flanks of of , and Dakota where gulches expose it. Mesa debris almost tops the Dakota ridge on divides between E-W gulches. On return found 150 ft. of