TY - RPRT TI - Methods to quality assure, plot, summarize, interpolate, and extend groundwater-level information—Examples for the Mississippi River Valley alluvial aquifer AU - William H. Asquith AU - Ronald C. Seanor AU - Virginia L. McGuire AU - Wade H. Kress PY - 2020 DO - 10.1016/j.envsoft.2020.104758 UR - https://pubs.usgs.gov/publication/70215138 ID - 70215138 ER -