Historic Mills and Mill Tailings as Potential Sources of . - USGSIdentification of Mill and Tailings Sites . .. mineral-processing facilities (smelters, mercury retorts, heap- leach pads) related to .. In the 1880s, stamp mills.reprocessing stamp mill tailings,Stamp Mill - Digital DesertGold and silver ore milling and processing equipment - California - Mojave Desert. . A stamp mill was a mechanical crusher, noisy, heavy and somewhat . material containing the gold to a stop while letting the worthless tailings pass to a.
reprocessing stamp mill tailings