150 MARION AND GENERAL. GREENE EXPEDITIONS 



54' 



53° 52° 51° 50° 49° "^ , , , , f^V , ^\ 



53' 52° 51° 50° 49° 48° 47° 46° 



Figure 105.— Dynamic topography 1,000-0 decibar surface. October 21-26, 1923. 



39* 



