64 



CHESTER R. LONGWELL 



TOPOGRAPHY OF THE MUDDY MOUNTAINS 



The Muddy Mountains are a complex range bounded by wide 

 valleys of structural origin. From north to south the length of the 

 range is nearly 40 miles, and the maximum width, measured from 



Fig. I. — Generalized geologic map showing the Muddy Mountain overthrust 



SECTION ON LINE A-A 



HorlzoataL Scale (Miles) 



Vertical Scale 

 (Tlxousands oj Jcet) 



SECTION ON LINE B-B 



Fig. 2. — Cross sections showing structure in the Muddy Mountains 



east to west, is approximately 15 miles. The intermontane valleys 

 form a border several miles in width, with elevations ranging from 

 less than 1000 to shghtly over 2,000 feet above sea-level. The 

 northern part of the mountains consists of ridges developed by 



