TY - RPRT TI - Quality-assurance plan for water-quality activities in the U.S. Geological Survey Washington Water Science Center AU - Kathleen E. Conn AU - Raegan L. Huffman AU - Cynthia Barton PY - 2017 DO - 10.3133/ofr20171044 UR - https://pubs.usgs.gov/publication/ofr20171044 ID - ofr20171044 ER -