Construction workers prepare to exit the site of the Denver Ordnance Plant (Remington Ordnance Plant, later the Denver Federal Center) in Lakewood (Jefferson County), Colorado. Some buildings are partially completed and construction vehicles are parked near gas pumps. A sign near a building reads "fire station, " another reads "No. T 3 guard house." Workers wear work clothes, coveralls, hats that have possible employee identification numbers and carry lunch boxes.