TY - RPRT TI - Inorganic chemistry of water and bed sediment in selected tributaries of the south Umpqua River, Oregon, 1998 AU - Stephen R. Hinkle PY - 1999 DO - 10.3133/wri994196 UR - https://pubs.usgs.gov/publication/wri994196 ID - wri994196 ER -