https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12308675Edit ImageSaveSaveEditCropCustom Text[Untitled photo, possibly related to: Inoculation of guinea pig. Experimental farm of Department of Agriculture, Prince George's County, Maryland]. 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 931 px | 300 dpiLarge JPEG 3500 x 2715 px | 300 dpiBest Quality JPEG 4366 x 3387 px | 300 dpiTIFF 4366 x 3387 px | 300 dpi | 28.21 MBFree Download[Untitled photo, possibly related to: Inoculation of guinea pig. Experimental farm of Department of Agriculture, Prince George's County, Maryland]. Sourced from the Library of Congress.More