U.S. GEOLOGICAL SURVEY 
PROFESSIONAL PAPER N0.54 PL. XII 
Hoosfer 
PLAN OF THE PRINCIPAL FISSURES 
OF THE 
CRIPPLE CHEEK DISTRICT 
COLORADO 
SHOWN AS INTERSECTING A PLANE 9,500 FEET ABOVE SEA LEVEL 
The geological boundaries are projected 
vertically from the surface upon this plane 
Bv Waldemar liindsren and F L. Kansome 
Scale 
500 lOOO 
2500 feel 
1905 
The volcanic neck 
Phonolite dikes 
, , -, 
The Beacon Hill phonolite plug mmmm , 
Basic dikes 
Granite, gneiss, and schists & Lodes 
JULIUS BIENfc CO LITH N Y 
