TY - RPRT TI - Analysis of Escherichia coli, total recoverable iron, and dissolved selenium concentrations, loading, and identifying data gaps for selected 303(d) listed streams, Grand Valley, western Colorado, 1980–2018 AU - Lisa D. Miller AU - Rachel G. Gidley AU - Natalie K. Day AU - Judith C. Thomas PY - 2021 DO - 10.3133/sir20215053 UR - https://pubs.usgs.gov/publication/sir20215053 ID - sir20215053 ER -