Erratum: “The Design of Weir Sand‐Bypassing Systems” by J. Richard Weggel at the ASCE Specialty Conference on the Design, Construction, Maintenance and Performance of Coastal Structures, Arlington, Va., March 9–11, 1983, and published in <i>Coastal Structures '83</i>, by ASCE, New York, N.Y., 1983, 1012 pp