San Marcos Wreck

General Comments

--H03313/1911; USCG -- Locates smoke stack of San Marcos (battleship USS TEXAS) to 37/43/9.822N 76/04/41.703W. (ETR 08/13/08) --F00085/1950; NOS -- No definite shape of vessel was determined, estimated 50m wide and 90m long. No further wreckage indicated. Also did not find the wreck of the Lexington and proposed it had either disintegrated or fused with San Marcos wreck. (ETR 08/13/08) --F00141/1956; NOS -- Verified position of wreck in agreement with CL724/1956 over position reported in F00085/1950 for a court case resulting from a small craft striking the San Marcos wreck. (ETR 08/13/08) --F00167/1959;NOS -- Wreck hung by a wire drag set to an effective depth of 11ft. Cleared by wire drag set to 10ft. Depth recording of 17ft above wreck. (ETR 08/13/08) --F00173/1960; NOS -- Wreck hung by 20ft wire drag with a sounding of 19ft obtained by a depth recorder on the wreck. A 20ft pieces of channel iron fouled in the wire drag and was removed from the wreck. A subsequent 20ft drag cleared the wreck. Used as Gp source with the correction of 47/43/12N 76/04/42W to 37/43/12N 76/04/42W. (ETR 08/13/08) --CL350/1959; USACE-- Demolition exercises to provide clearance of 20-25ft MLLW. Blasted the wreck so that the heavy metal could settle inside the wreck and deeper into the sand. Wreck was not obliterated, remains a mound of metal that can only be removed piece by piece. (ETR 08/13/08) --H12044 OPR-E349-KR-09--The San Marcos Wreck was located within the charted radius at 37/43/10.25N, 76/04/40.88W with 200% side scan sonar coverage. Complete multibeam coverage was obtained on the wreck and a multibeam least depth of 22.3ft (6.79m) was determined. Hydrographer recommends deleting charted dangerous 20ft wreck and adding dangerous wreck, least depth 22ft at current survey position.