TY - RPRT TI - Methods to characterize environmental settings of stream and groundwater sampling sites for National Water-Quality Assessment AU - Naomi Nakagaki AU - Kerie J. Hitt AU - Curtis V. Price AU - James A. Falcone PY - 2012 DO - 10.3133/sir20125194 UR - https://pubs.usgs.gov/publication/sir20125194 ID - sir20125194 ER -