TY - RPRT TI - Assessment of polycyclic aromatic hydrocarbon concentrations in southern Lake Powell, Glen Canyon National Recreation Area, Arizona and Utah, 2016–17 AU - Alissa L. Coes AU - Nicholas V. Paretti AU - David A. Alvarez AU - Jamie P. Macy PY - 2019 DO - 10.3133/sir20195065 UR - https://pubs.usgs.gov/publication/sir20195065 ID - sir20195065 ER -