Information Digital ID snv002396-012 Details Member of Leaflet, The Old Timers, 1967 Digital Project Southern Nevada The Boomtown Years 1900-1925 Transcription The Mexican Mill The Arrastre, or Mexican Mill, operated through power from an overshot water wheel. This power was transmitted through a rack and pinion to four rotating arms. Large granite boulders chained to the arms crushed the ore.