https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12170988Edit ImageSaveSaveEditCropCustom TextGold prospector cooking mercury with dirty flour gold. The flour gold which is in small, almost powder flakes, will attach itself to the mercury as the water boils away. Pinos Altos, New Mexico by Russell LeeView public domain image source hereMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGTIFFSmall JPEG 1200 x 866 px | 300 dpiLarge JPEG 3500 x 2525 px | 300 dpiBest Quality JPEG 4293 x 3097 px | 300 dpiTIFF 4293 x 3097 px | 300 dpi | 25.36 MBFree DownloadGold prospector cooking mercury with dirty flour gold. The flour gold which is in small, almost powder flakes, will attach itself to the mercury as the water boils away. Pinos Altos, New Mexico by Russell LeeMore