TY - RPRT TI - Environmental characteristics and water quality of hydrologic benchmark network stations in the western United States, 1963-95 AU - M. Alisa Mast AU - David W. Clow PY - 2000 DO - 10.3133/cir1173d UR - https://pubs.usgs.gov/publication/cir1173D ID - cir1173D ER -