TY - RPRT TI - Sources of contamination in an urban basin in Marquette, Michigan and an analysis of concentrations, loads, and data quality AU - Jeffrey Steuer AU - William Selbig AU - Nancy J. Hornewer AU - Jeffrey Prey PY - 1997 DO - 10.3133/wri974242 UR - https://pubs.usgs.gov/publication/wri974242 ID - wri974242 ER -