BULL. GEOL. SOC. AM. 



VOL. 22, 1910, PL. 31 



Figure 1. — IIa.vgint; Vallkv at "b" ix 1'late 80. Figi're 1. 



The vtM-tical wall at the head of the cori-ie can be distinctly seen, and on the rijj;ht are three 

 vertical scarps mostly concealed by the heavy timber. The southwestern stria' are found beneath the 

 high trees which project against the 'sky. 



Figure 2. — Vertical Scari' eorminm; Fart ok Walt, over which kauls the Ukook shown in Fig- 

 ure 2, Plate 30 



It is continuous at least SO feet below the level of the sand plain in front 

 HANGING VALLEY AND VERTICAL SCARP: MOUNT TOBY 



