Smltlisr.nian Report, l''hO P, 





3. 



Pliciti iiiiicrofjraiilis of cross sections of coliini lihi'is sc-k'clcd lo slunv a ranu'C of i;eonictiical 

 liiu-iicss and sliapcs: 1, Very line. Sen Island; 2, line American upland; .v niediiini, Ameri- 

 can upland. MauMiilicalion in all cases X 760. (See also tables 1 and 3.) 



