B&W print depicts two large ships with many people standing on the decks. The boat on the right of the image is the Casca.
B&W print depicts the back end of the boat Caska somewhere between Whitehorse and Dawson.
B&W print depicts the boat Caska with people on the deck likely somewhere between Whitehorse and Dawson.
B&W print depicts the boat Caska with people on the deck. On the back of the image is written: S[tea]mer Caska between Whitehorse & Dawson 1937 The middle three letters of the first word are difficult to read.
Colour CPS 35mm slide depicts an unknown man looking out an open window with no glass with what is likely a traditional style colourful boat in the background. The boat has a sign on top that reads: "Canon".
Colour Kodachrome 35mm slide depicts a boat with people sitting and standing inside with four signs in Thai on the roof. One of the sign is a "Coke" emblem in Thai.