
 HISTORY
  CL1227/72-- RADIO MESSAGE RU/HE TO AMC; REPORT OBSTRUCTION WITH ì
LD OF 50 FEET (PREDICTED).
  NM41/72-- PUBLISHES ABOVE INFO.
  CL1431/73-- RU/HE REPORT OBSTRUCTION IS A 2-INCH DIA. PIPE ì
EXTENDING APPROX. 6 FEET OFF THE BOTTOM; CLEARED