 H10945/04 -- OPR-E350-RU-04; 
Survey Position: 36.98885733° N, 76.18037619° W
Least Depth: 8.94 m
Timestamp: 2004-076.14:04:52.471 (03/16/2004)
appears to be an old buoy block. Chart 29 OBSTN with danger curve.
UPDATED 9/25/2006 JCM