TY - RPRT TI - 1983 Water Quality Laboratory services catalog AU - W.A. Beetem AU - E.R. Anthony AU - L.C. Friedman AU - G.R. Peryman PY - 1982 DO - 10.3133/ofr82766 UR - https://pubs.usgs.gov/publication/ofr82766 ID - ofr82766 ER -