U. S. GEOLOGICAL SURVEY BULLETIN 707 PLATE LXII 
A. GRAND HOGBACK. 
View of the Grand Hogback where it is trenched by Colorado River Newcastle. ig vee 
heaps show where coal has been mined, but all the mines have been abandoned The V hee “as 
mine, at the extreme right, was abandoned on account of fire, and the coal is still _oyr pe i “y 
this hill the workable coal beds have an aggregate thickness of 109 feet. Photograph by Hoyt > 
G rr ale. 
B. PALM-LEAF FAN GROWN IN COLORADO. 
Long ago in geologic time palms grew luxur riantly in all parts of Colorado, and the —_ miners 
about Newcastle when dis ~y want a fan merely quarry One out of the rock. He = iS er group 
of miners and a fossil palm-le fat fan they have just found. Photograph by Hoyt 8. Gale. 
