https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/8770022Edit ImageSaveSaveEditCropCustom TextOn experimental farm operated by EPA's Las Vegas National Research Center: "Big Sam", steer with "see through" hole in his hide, May 1972. Photographer: O'Rear, Charles. Original public domain image from FlickrMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGSmall JPEG 1200 x 811 px | 300 dpiLarge JPEG 3000 x 2027 px | 300 dpiFree DownloadOn experimental farm operated by EPA's Las Vegas National Research Center: "Big Sam", steer with "see through" hole in his hide, May 1972. Photographer: O'Rear, Charles. Original public domain image from FlickrMore