Keywords: FMIB 47414 Huge dike protruding through the shale, resisting wave wear and weathering much more than the shal itself West of Postelsia Point.jpeg check categories 17 September 2015 2 Huge dike protruding through the shale resisting wave wear and weathering much more than the shal itself West of Postelsia Point Subject Postelsia Point Washington State Shale Beach erosion Dikes Geology Geographic Subject United States--Washington State --Postelsia Point Tag Coasts 1906 Cite book Postelsia the Year Book of the Minnesota Seaside Station Minnesota Seaside Station St Paul MN Minnesota Seaside Station 1906 Plate XXVII Minnesota Seaside Station PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 47414 Images from the Freshwater and Marine Image Bank to check Minnesota Seaside Station Shale |