In his sculpture Scott Burton has dwelled on one major preoccupation for the past 12 years. Fortunately, he has had the wisdom to ask a good question, or his work might have dipped into intolerable redundancy long ago. The intensity of his pursuit and the clarity of his focus have generated a body of work that is exceptional for its consistent quality, formal limits, and esthetic precision. He has, in fact, created a typology, which he has developed, refined, and sometimes challenged. Burton is a superb editor, never expecting any one piece to carry more information or ambiguity than he feels