TY - RPRT TI - Microplastics in Lake Mead National Recreation Area, USA: Occurrence and biological uptake AU - Austin K. Baldwin AU - Andrew R. Spanjer AU - Michael R. Rosen AU - Theresa Thom PY - 2020 DO - 10.1371/journal.pone.0228896 UR - https://pubs.usgs.gov/publication/70209875 ID - 70209875 ER -