The expedition began to go downhill for Donald Gunn once they arrived at Lake Manitoba. He developed a skin infection that painfully affected his eyes. On the third day, the group turned south, heading home to the RRS. They were near the south shore of Shoal Lake when the heavens opened, and they were forced to set up camp beneath the carts. The rain was intense, and they feared a lightning strike to the carts, caught as they were on the open plains. Everything, including the specimens, was thoroughly soaked.

The expedition members rise the next morning and spend the day travelling toward Shoal Lake. On the way they meet the Indian man of the day before and a Métis woman who is returning to Oak Point with a load of pine planks that were likely made in the saw-pits of the Red River Settlement. Gunn remarks that she

There is no question that dogs were essential to life at Red River. But their working days were mostly winter days. These were hardy dogs, fit and perhaps high-strung – in terms of energy, at least. So, the major problems began when the snow and ice disappeared and the main method of dissipating all that energy melted away with the arrival of spring.