TY - RPRT TI - Phosphorus and nitrogen concentrations and loads at Illinois River south of Siloam Springs, Arkansas, 1997-1999 AU - W. Reed Green AU - Brian E. Haggard PY - 2001 DO - 10.3133/wri014217 UR - https://pubs.usgs.gov/publication/wri014217 ID - wri014217 ER -