TY - RPRT TI - Aquatic-life criteria compared to concentrations of cadmium, copper, lead, and zinc in streams near Fort Polk Military Reservation, Louisiana, December 2015–August 2016 AU - Roland W. Tollett PY - 2022 DO - 10.3133/sir20215101 UR - https://pubs.usgs.gov/publication/sir20215101 ID - sir20215101 ER -