-;**- 



:$+~if •** 





8*"" 





?Sfi^P^ 



Fig. 8. — Hill of lower Mancos shale northeast of Newcastle. The steep and easily 

 eroded sides are very destitute of vegetation. A uniform stand of sage-brush in the fore- 

 ground, extending to the base of the hill. 



^d 



%* 



--- .•-- 





'-_-■■ • •;■ - -;' : ; 



*-./ , ^^i 



.«■ 





Fig. 9. — Rifle Gap, looking down stream. Mesa Verde formation dipping southeast. 

 Coal-mine dumps on the right. 



