Doyle was the biggest beneficiary when the Sierra Ordnance Depot was established in the early 1940s. It was a much needed boost as the town struggled during the 1930s, like so many rural communities.
There was a tremendous amount business activity for the small community could boast of three grocery stores, along with other such amenities as two bars that also had restaurants, however, it should be noted after prohibition, a requirement for bars was to provide food service.
Another aspect of the Depot’s effect on the region, was with highway improvements, it created the area’s first commuters. The Janesville and Milford vicinities were popular for Depot employees to make their homes there and make the commute to Herlong.