https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12272794Edit ImageSaveSaveEditCropCustom TextLois Slinker, teacher of the one room school house. rings bell to end recess period. Grundy County, 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 931 x 1200 px | 300 dpiLarge JPEG 2716 x 3500 px | 300 dpiBest Quality JPEG 10731 x 13827 px | 300 dpiTIFF 10731 x 13827 px | 300 dpi | 141.62 MBFree DownloadLois Slinker, teacher of the one room school house. rings bell to end recess period. Grundy County, Iowa. Sourced from the Library of Congress.More