Title: Summary of surface-water-quality data collected for the Northern Rockies Intermontane Basins National Water-Quality Assessment Program in the Clark Fork-Pend Oreille and Spokane River Basins, Montana, Idaho, and Washington, water years 1999-2001
Subjects: Water quality
Places: Clark Fork Watershed (Mont. and Idaho), Pend Oreille River Watershed, Spokane River Watershed (Idaho and Wash.)