https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12339395Edit ImageSaveSaveEditCropCustom TextNurses attached to the Red Cross mobile unit give a routine health checkup to San Quentin prisoners before they can give blood to the bank. 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 1200 x 879 px | 300 dpiLarge JPEG 3500 x 2562 px | 300 dpiBest Quality JPEG 8820 x 6457 px | 300 dpiTIFF 8820 x 6457 px | 300 dpi | 108.65 MBFree DownloadNurses attached to the Red Cross mobile unit give a routine health checkup to San Quentin prisoners before they can give blood to the bank. Sourced from the Library of Congress.More