TY - RPRT TI - Long-term trends in regional wet mercury deposition and lacustrine mercury concentrations in four lakes in Voyageurs National Park AU - Mark E. Brigham AU - David D. VanderMeulen AU - Collin A. Eagles-Smith AU - David P. Krabbenhoft AU - Ryan P. Maki AU - John F. DeWild PY - 2021 DO - 10.3390/app11041879 UR - https://pubs.usgs.gov/publication/70218257 ID - 70218257 ER -