TY - RPRT TI - Hydrologic balance, water quality, chemical-mass balance, and geochemical modeling of hyperalkaline ponds at Big Marsh, Chicago, Illinois, 2016–17 AU - Amy M. Gahala AU - Robert R. Seal, AU - Nadine M. Piatak PY - 2019 DO - 10.3133/sir20195078 UR - https://pubs.usgs.gov/publication/sir20195078 ID - sir20195078 ER -