Stamp Mill RitchieWiki
Several stamps were often lined up in stamp mills where goldbearing ore, gathered from hard rock gold mining, was broken up and crushed. Stamp mills were commonly classified as 5, 10, or 20stamp mills based on the number of stamps used in the mill. Stamp mills were heavy, awkward, and noisy machines but their ability to crush hard materials, including ore, into a fine powdery substance suitable for .