Photos of the Willow Run,
B-24 Liberator Production Line in WW2.

These are some photos of the B-24 Production Line.   Look at the Factories Specifications Below

Area: Entire Project  1,878 acres,
Airport size:  1,434 acres,
Factory Floor 80 1/4 acres - 3,503,016 sq. ft.-
including hangars: 4,734,617 sq. ft., 
Length of willow run factory - East to West:  3,200 feet, 
Width of willow run factory:  1,277 feet, 
Length of assembly lines: 5,450 feet, 
Runways (longest)  7,366 feet,
(Shortest)  6,510 feet, 
Cost of willow run project:  $103,000,000, 
Weight of B-24 on delivery 49,900 lbs. 
Number of rivets in the B-24:  313,237, 
Dies made as of December 1944:  29,124,
Fixtures in Production:  10,915,
Number of wooden floor blocks:  16,000,000, 
Fluorescent tubes:  152,000, 
Number of windows:  28,855, 
Conveyors:  136, Crane-ways:  29,  
Monorails (all buildings)  18 miles,
Power requirements approx.  13,200 KWH,
Students trained in school  50,000,  
Water used daily approx.:  5,000,000 gallons, 
Parking lots (capacity)  15,300 cars,  
Fuel capacity (gasoline):  150,000,  
Fire Protection  (Sprinkler heads)  5,212,  
Airport concrete used at willow run is equal to a 20 foot highway 115 miles long.