The Pontiac Mill in Michigan Tags: 19th Century factory, B.B. & R. Knight, Civil War industry, Civil War supply chain, Fruit of the Loom, industrial history, Northern Home Front, Pawtuxet River, photo of the week, Pontiac Mill, Rhode Island history, textile manufacturing, Union Army uniforms, Warwick Rhode Island, Share on: Share: Pontiac Mills textile plant in Warwick, Rhode Island, which produced uniforms for the Union Army during the Civil War. View our photo collection! View Collection