Item is a photograph of Finlay Forks trader Roy McGregor, pilot Ian Watt and British resource development designer Percy Gray in March 1957 after the first leg of Grey’s flight over the Rocky Mountain Trench.

Item is a photograph of Percy Gray and pilot Ian Watt gassing up their plane at Finlay Forks before continuing their survey of the Rocky Mountain Trench in March 1957.

Item is a photograph of the McGregor family on land that was subsequently flooded to create the reservoir for the W.A.C. Bennett Dam.