Stern wheeler passing through rapids. Printed annotation on recto reads: “The B.C. Express passing through the Grand Canyon B.C.” Handwritten annotation in red ink on recto adds: “1913”

Photograph depicts sternwheeler passing through rapids of the Fraser River, B.C. Printed annotation on recto reads: “The B.C. Express Passing through the Grand Canyon B.C.”, handwritten in red ink: “1913”.

Image depicts a cliff side on the bank of the Fraser River in the Grand Canyon, B.C.

Image depicts a group of people in boats on the Fraser River in the Grand Canyon, B.C.

Image depicts a group of people in boats on the Fraser River in the Grand Canyon, B.C.

Image depicts a group of people in boats on the Fraser River in the Grand Canyon, B.C.

Image depicts Ray Mueller steering a boat on the Fraser River in the Grand Canyon, B.C.

Image depicts a group of people in boats on the Fraser River in the Grand Canyon, B.C.

Image depicts a group of people in boats on the Fraser River in the Grand Canyon, B.C.

Image depicts a rocky section of the bank of the Fraser River in the Grand Canyon, B.C.

Image depicts the bank of the Fraser River in the Grand Canyon, B.C.

Image depicts the Fraser River in the Grand Canyon, B.C.

Image depicts numerous logs piled up on rocks in the Fraser River.

Image depicts a formation of rocks in the Fraser River, with a dead tree stuck on top of them.

Image depicts a group of people in a kitchen area of the Mueller home in Sinclair Mills, B.C.; the man in the grey shirt is Ray Mueller displaying his taxidermy collection. Map coordinates 54.014188, -121.676973

Image depicts a group of people in a kitchen area of the Mueller home in Sinclair Mill, B.C.; the man seated at the table with a grey shirt is Ray Mueller. Louisa Mueller is seated on counter wearing blue shirt. Map coordinates 54.014188, -121.676972

Image depicts a group of people in boats on the Fraser River in the Grand Canyon, B.C.

Image depicts the Fraser River in the Grand Canyon, B.C.

Image depicts a group of people in boats on the Fraser River in the Grand Canyon, B.C.

Image depicts a group of people in boats on the Fraser River in the Grand Canyon, B.C.

Image depicts Ray Mueller steering a boat on the Fraser River in the Grand Canyon, B.C.

Image depicts a group of people in boats, with Ray Mueller steering one of them, on the Fraser River in the Grand Canyon, B.C.

Image depicts a view of the ridge above the Fraser River which forms the Grand Canyon, B.C.

Image depicts the Fraser River in the Grand Canyon, B.C.

Image depicts a fossilised mammoth tooth found by Ray Mueller. Photograph taken at map coordinates 54.014188, -121.676973

Image depicts the Fraser River in the Grand Canyon, B.C.

Image depicts a beaver dam on the Fraser River in the Grand Canyon, B.C.

Image depicts the bank of the Fraser River in the Grand Canyon, B.C.

Image depicts the Fraser River in the Grand Canyon, B.C.

Image depicts a group of people in boats on the Fraser River in the Grand Canyon, B.C.

Image depicts the Fraser River in the Grand Canyon, B.C.

Image depicts the Fraser River in the Grand Canyon, B.C.

Image depicts a group of people stopped in the middle of the Fraser River in the Grand Canyon, B.C.

Image depicts a formation of rocks in the Fraser River, with a dead tree stuck on top of them.

Image depicts three unknown individuals in a boat on the Fraser River; the man steering the boat is Ray Mueller.

Image depicts the Fraser River in the Grand Canyon, B.C.

Image depicts a group of people in a kitchen area of the Mueller home in Sinclair Mill, B.C.; the man in the grey shirt is Ray Mueller displaying his taxidermy collection. Map coordinates 54.014188, -121.676972

Image depicts a group of people in boats on the Fraser River in the Grand Canyon, B.C.

Image depicts the Fraser River in the Grand Canyon, B.C.

Image depicts a group of people in boats on the Fraser River in the Grand Canyon, B.C.

Image depicts a group of people in boats on the Fraser River in the Grand Canyon, B.C.

Image depicts the Fraser River in the Grand Canyon, B.C.

Image depicts a very small island in the middle of the Fraser River in the Grand Canyon, B.C.

Image depicts a view of the eastern part of the upper Fraser Canyon.

Image depicts the Fraser River passing through the upper Fraser Canyon.

Image depicts the Upper Fraser Canyon from what appears to be the entrance to Gang Ranch.

Image depicts a road near or on Gang Ranch in the Upper Fraser Canyon.