U. S. GEOLOGICAL SURVEY BULLETIN 845 PLATE 13 
ms sacra OF OVERLAP OF COMANCHE LIMESTONE ON TIL TED STRATA 
' PENNSYLVANIAN AGE NORTHWEST OF TESNUS, TEX. 
(P. B. King.) 
B. SINUOUS RIDGES OF HARD BEDS IN MARATHON BASIN 
(P. B. King.) 
C. MITRE PEAK, 6 MILES NORTHWEST OF AL penis TEX. 
A mass of igneous rock, probably an outlet for lavas in th g 
