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Figures page 1 Index map of western Oregon and Washington
Summary geologic map of study area
South Sacchi Beach section and fauna
23 other sections not shown
abundant Amphimorphina Aperture Baldwin Bandy bathyal Briggs Hill section Bulimina California chambers channel cut Cibicides Coos Bay Coos River Cottage Grove Cushman Cushman and Siegfus Cushman Lab d'Orbigny Dentalina depressed Diameter edge view Elkton Fm Elkton Formation Eocene Eponides exact locations faunal group Foraminifera Formation at Lorane Formation at Sacchi Formation near Lorane G. D. Hanna Genus Geology Globorotalia Gyroidina Ivers Peak 15-minute jacksonensis Koadcut exposure last whorl Length Lenticulina lithologic Loeblich and Tappan Loon Lake Lorane sections Mallory Merchants Beach mexicana microfossils Micropaleontology mudst mudstone Narizian Nodosaria Occurrence Old Blue opposite side view Oregon ostracodes Paleontology Peak 15-minute quadrangle planktonic poorly preserved radiolarians Remarks Reuss Sacchi Beach sections sample sandstone sediments slightly Snavely Soup Mountain South Sacchi Beach species specimens compare favorably spiral side strata stratigraphic sutures Test text-figs thickness Tyee Formation umbilicus upper Ulatisian variable Waggoner Creek Weaver width wilcoxensis