  --ORIGINAL SOURCE UNKNOWN.                                                    
  H10031/82--OPR-B139-WH-82: 1:10,000 SCALE; DELNORTE (R/R), DELNORTE-THEODOLITE
(R/A); PILE PA CHARTED IN LAT 40-28-42N LONG 74-00-54W NOT FOUND DURING      
HYDROGRAPHY