 HISTORY
  T5473/46--PROBABLE SOURCE OF PILE, SOURCE DOCUMENT MISSING. APPEARS ON ì
1947 EDITION OF CHART 11383 (ENTERED 10/23/84 MCR)   
  CL1810/76--CAS CHART 11383(1976); SURVEY REPORTS A CYLINDER PIPE MADE ì
OF BRICK APPROX. 15FT IN DIAMETER AND PR