Montana - Petroleum County - Historic Districts
Petroleum County Montana (Historic Districts)  has 1 places on the National Register of Historic Places including 1 place of Statewide significance. Significant places include Lewistown Satellite Airfield Historic District (Boundary Increase III), Lewistown Satellite Airfield Historic District (Boundary Increase III). Prominent architectural styles found in Petroleum Country are . 
Historic Significance:
Event
 
Area of Significance:
Military
 
Period of Significance:
1925-1949
 
Historic Function:
Defense
 
Historic Sub-function:
Air Facility
 
Current Function:
Agriculture/Subsistence
 
Current Sub-function:
Agricultural Fields
 
 
 
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