We'll now do some more searching to learn more about Captain Shackford's experiences aboard the S S Columbia timeframe.
REFERENCES
Bureau of the American Republics, American Republics. 1893 Bulletin No. 50. January 1893 (Bureau of the American Republics, January 1893), page 563; digital images, Google Books (http://books.google.com : accessed 24 November 2014