AnimasZincMap March 14, 2018 Return to: River of Lost Souls reading aidsFull resolution (1210 × 1286) Image navigation Previous Image Next Image This map, put together by the USGS, shows concentrations of zinc, a heavy metal that is toxic to fish and that is a good indicator of other metals, in the upper Animas River and its tributaries. The black dots are mines, mills, and tailings piles. Like Loading...