Abaroa Mill and Tailings Pile

Research Group in Rio Tupiza

Dru, Aleida, and Jerry

Contaminated Field in Mondragon
Note Gray Mill Effluent along Corn Rows

Contaminated Irrigration Ditch, Mondragon

Stratigraphic Study Site near Tarabuco

Aleida in Potosi

Dru on the Road to Tupiza