A RECONNAISSANCE MAP 
OF THE 
KILLDEER MOUNTAINS 
DUNN COUNTY 
NORTH DAKOTA 
FIG. 5 
Tribuyaries of 
€ 
: 
=z 
¢ 
ie 
Lepend 
Oligocene formation 
Fort Union formation 
+ Mile 
eee 
Contour interval 100 feet 
Datum ‘5 sea lavel 
1913 
Dotted contour lines art nef accurate ; they are sketched 
in for the purpose of indicating the character ot the 
topography of the plains 
Present ana former divides are indicated by fulland broken lines 
