https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/12152367Edit ImageSaveSaveEditCropCustom TextPermanent automatic graph of various materials which go into the concrete used in construction of Shasta Dam. Shasta County, California by Russell LeeView public domain image source hereMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGTIFFSmall JPEG 1200 x 934 px | 300 dpiLarge JPEG 3500 x 2724 px | 300 dpiBest Quality JPEG 14090 x 10966 px | 300 dpiTIFF 14090 x 10966 px | 300 dpi | 147.37 MBFree DownloadPermanent automatic graph of various materials which go into the concrete used in construction of Shasta Dam. Shasta County, California by Russell LeeMore