HISTORY
 TP-00346--1977 PHOTOS, 1978 FIELD EDIT; NOT VISIBLE ON PHOTOS.
 CL1596/81--USPS; DOLPHIN LOCATED BY SEXTANT AND COMPASS IN LAT.30-08.8N,
LONG.85-37.8W USED TO MOOR VESSELS BUILT AT NEARBY SHERMAN SHIPYARD.
 H10166/84-85-- OPRPJ264-HFP-83; DO