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A. Accretion Dune in Carrizo Region with Prosopis Shrubs. 



B. Barchan or Crescentic Dunes in Carrizo Region with wind ripples in the foreground 



C. Line of Erosion at high level of Blake Sea on rocks al night. Salton Lake at level of 1912 on left. Lighter 



fringing zone on shore is strip bared by recession, 1907-1912. 



D. Big Island showing numbers of old strands on its eastern slopes. Photographed in 1909 



