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Conglomerate in bay 3 miles north of Dall Head, west side of Gravina Island
Conglomerate in bay 3 miles north of Dall Head, west side of Gravina Island
Gravina Island from head of Menefee anchorage
Mine buildings at Seal Harbor, Gravina Island
Agglomeratic phase of greenstone, west side Gravina Island
Agglomeratic phase of greenstone, west side Gravina Island
Simple structure in slates and sandstone, west side Gravina Island
Detail of cleavage at same place as view 894
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