TY - RPRT TI - Questa baseline and pre-mining ground-water-quality investigation. 16. Quality assurance and quality control for water analyses AU - R. Blaine McCleskey AU - D. Kirk Nordstrom AU - Cheryl A. Naus PY - 2004 DO - 10.3133/ofr20041341 UR - https://pubs.usgs.gov/publication/ofr20041341 ID - ofr20041341 ER -