
 SURVEY REQUIREMENT COMMENTS
  IF NOT VISIBLE, CONDUCT A BOTTOM SWEEP 100 METERS ALONG ì
THE LENGTH OF THE UNCHARTED CHANNEL (LAT. 28-39-22N, LONG. ì
96-36-03W TO LAT. 28-40-25N, LONG. 96-34-12W).

 HISTORY
  CL1252/75--USPS; AN UNCHARTED CHANNEL T