TY - RPRT TI - National Water-Quality Assessment (NAWQA) area-characterization toolbox AU - Curtis V. Price AU - Naomi Nakagaki AU - Kerie J. Hitt PY - 2010 DO - 10.3133/ofr20101268 UR - https://pubs.usgs.gov/publication/ofr20101268 ID - ofr20101268 ER -