https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12282944Edit ImageSaveSaveEditCropCustom TextDubuque's largest industry in background: sash and door company. Employs 1,500 men during peak. Dubuque, Iowa. Sourced from the Library of Congress.View public domain image source hereMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGTIFFSmall JPEG 935 x 1200 px | 300 dpiLarge JPEG 2726 x 3500 px | 300 dpiBest Quality JPEG 10773 x 13833 px | 300 dpiTIFF 10773 x 13833 px | 300 dpi | 142.14 MBFree DownloadDubuque's largest industry in background: sash and door company. Employs 1,500 men during peak. Dubuque, Iowa. Sourced from the Library of Congress.More