This mysterious shot was found amongst my father's belongings. The marker appears to be concrete, so we can assume he probably didn't find the Titanic, It would be safe to assume this shot was taken somewhere in the Los Angeles Harbor or Catalina, his favorite dive spots. Coincidentally, the LA Harbor was undergoing improvements in 1912. Businesses like canneries, oil drilling and shipbuilding were growing so quickly that the city decided to dredge and......