6. USS Cyclops:
USS Cyclops (AC-4) was one of four Proteus-class
colliers built for the United States Navy several
years before World War I. The cause of the ship's
loss is unknown.
14. SS Marine Sulphur
Queen:
T2 tanker ship converted to carrying molten sulphur, noted
for its disappearance in 1963 near the southern coast of
Florida, taking the lives of 39 crewmen.