Ferguson — Harney Granite, Plate 1 
Contour Interval = 250 FE. 
Scale 
o Ya Ve y 1 Zmiles 
ii SEN 
Pleistoc 6 | ZA b Pahasapa Formation E A 
eıstocene Gravels Car oniferous {Englewood Formation 442 
SY 
Jura-Trias Sundance Formation ast SY Ordovician-Whitewood Formation HHH 
HHU Cambrian -Deadwood Formation 
à Minnekahta Formation 
Carboni Ferous[Opeche Formation 
Carboniferous-Minnelusa Formation 
Intrusive Porphyry 
N Granite- Schit 
