BULL. GEOL. SOC. AM. 



VOL. 18, 1906, PL. 15 



Figure 1. — ;Moraixic Waste ox Atrevida Glacier with a sixgle crevassed Area 



View looking north from near middle of glacier. Photo.graph by Lawrence Martin. August 



18, 1905 



KiorRE 2. — Surface of Atrevida Glacier 



Looking- south from west margin. Site of figure 1 about in middle of picture. Photograph 

 (long focus) by O. Von Engeln, August 2. lOOG 



ATREVIDA GLACIER SURFACE, 1905 AND 1906 



