TK24 TK23 TK22 TK21 
Fig. 1. Looking west from the lighthouse on the eastern end of Moen Island showing 
localities on Mt. Witipon from which trachytic material was collected. The approximate 
extent of this material is shown by the light color and the absence of trees. Mt. Tonaachau 
at right. PHOTO BY JOSIAH BRIDGE. 
