https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12109228Edit ImageSaveSaveEditCropCustom TextSwitchboard. Forest Products laboratory, Madison, Wisconsin by Russell LeeView public domain image source hereMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseJPEGTIFFSmall JPEG 1200 x 884 px | 300 dpiLarge JPEG 3500 x 2578 px | 300 dpiBest Quality JPEG 8567 x 6310 px | 300 dpiTIFF 8567 x 6310 px | 300 dpi | 103.13 MBFree DownloadSwitchboard. Forest Products laboratory, Madison, Wisconsin by Russell LeeMore