While the Army Depot near the steel town of Pueblo has officially been deactivated, over 2,000 tons of mustard gas projectiles and cartridges continue to be stored on site, but most of the buildings are being developed into an industrial park. As an active munitions storage facility, established in WWII, it covered 22,654 acres of rolling prairie, with warehouses, munitions igloos, and maintenance facilities. In the 1990s, most Army activities were transferred to several other army depots including Tooele Depot in Utah and Red River Depot in Texas in the 1990s.