* *■•%■•' 



J»,*' 



170 ■ 





-"V »| >>mffi^^a'J>^^S.aG^.ve7■■ 



^ T ^ ? JL-JSL 



Feet 



500 



j^oo 



Fig. 4. — Chart of Springs at Mud Volcanoes, 1871. 



