***THE AWIOS POSITION IS ON THE MOST SEAWARD PILE***
  SOURCE UNKNOWN--ROW OF 3 CLOSELY SPACED PILES PILES APPEAR ON THE FIRST EDITION OF 826-SC (12316) DATED 11/9/63.
  CL71/00--QUALITY ASSURANCE REPORT FOR CHART 12318--PILES HAD NOT PREVIOUSLY APPEAR