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.

Photograph depicts river and shore in foreground, hills on opposite shore in background. Handwritten annotation on recto of photograph: "Finlay Forks."

Photograph depicts a man standing in a small canoe, facing a second man walking along the shore. Hills on opposite shore in background. Handwritten annotation on recto of photograph: "Finlay Rapids. Peace River."

Handwritten caption below this photo reads: "Finlay River Rapids. - 1930."
A small peninsula extends into river in left midground, rapids in foreground, trees and hills on opposite shore in background.

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.

Photograph depicts men standing on shore near what appears to be a long pier extending into the river. Trees on left, opposite shore in background. Handwritten annotation on recto of photograph: "Pete Joy's Bar Finlay River."

Photograph depicts an unidentified man mining in rocky area, trees and hills in background. Handwritten annotations on verso of photograph: "PLACER MINER WSHING FOR GOLD FINDLAY RIVER BC", "PHOTO WWW".

Topographic map depicting regions, communities, unexplored areas, bodies of water, transport routes, and glaciers.