PLATE 30 



Glacial deposits, Mohegan Bluffs, Block Island 



Fig. 1. Southeast point, looking southwest. Gardmers clay on beach in foreground under Jacob 

 sand. Manhasset formation with Montauk till member in background of cliff. 



Fig. 2. View west of Southeast Point, Block Island, looking eastward at pinnacles of Montauk 

 boulder clay. October 31, 1915. 



