TY - RPRT TI - Quality-Assurance Plan for Water-Quality Activities in the USGS Ohio Water Science Center AU - Donna S. Francy AU - Kimberly H. Shaffer PY - 2008 DO - 10.3133/ofr20081250 UR - https://pubs.usgs.gov/publication/ofr20081250 ID - ofr20081250 ER -