TY - RPRT TI - Data from synoptic water-quality studies on the Colorado River in the Grand Canyon, Arizona, November 1990 and June 1991 AU - Howard E. Taylor AU - D.B. Peart AU - Ronald C. Antweiler AU - T.I. Brinton AU - W. L. Campbell AU - J.R. Barbarino AU - D.A. Roth AU - R. J. Hart AU - R. C. Averett PY - 1996 DO - 10.3133/ofr96614 UR - https://pubs.usgs.gov/publication/ofr96614 ID - ofr96614 ER -