US GEOLOGICAL SURVEY 



PROFESSIONAL PAPER NO 42 PL XII 



DIAGRAMMATIC MAP SHOWING TWO PARALLEL ZIGZAG SOUTH-FACING SCARPS 



THE SOUTHERN ONE ABOUT 1O FEET HIOH.THE NORTHERN ONE 25 FEET HIGH 



By, I.E. Spun- 

 Scale 



IQOO 5OQ O 1OOO 2OOO rjOOOfVet 



Contourmtei-val2O feet 



