TY - RPRT TI - Water resources data for Arkansas, water year 1973; Part 2, Water quality records AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1974 DO - 10.3133/wdrar732 UR - https://pubs.usgs.gov/publication/wdrAR732 ID - wdrAR732 ER -