Since we lack an iconography available to both serious artists and the larger public—who could sculpt John Wayne to please both Rosalind Krauss and the average moviegoer?—our public art is problematic. These four commissioned works, all 1984, are sited in a riverside park just north of downtown Pittsburgh. Isaac Witkin’s The Forks, though presumably referring to the nearby river forks, seems a Claes Oldenberg in aluminum, representing drips of that metal. Like the George Segal-esque The Builders, by George Danhires, whose figures stand by a building as if they had constructed it, this work is