FIG. 1.
Schematic map of the sampling area, with tailings distribution (hatched areas). Samples 1 to 11 (●) are from the Rio Naracauli stream; samples A to C were collected in the tributaries before the inflows.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.