Photograph depicts Prentiss Gray standing with a rifle in his hand in front of a teepee with a forested area in the background.
Photograph depicts a profile view of a pack horse laden with Prentiss Gray's camera equipment.
Photograph depicts the profile of a pack horse bearing Prentiss Gray's tripod and camera equipment on a special saddle.
Photograph depicts three men working to move a raft carrying two horses from Hudson's Hope ferry landing.
Photograph depicts trekking supplies piled outside Alex Nelles' log cabin. An unidentified man is standing outside the cabin with a horse.
Photograph depicts a man and horse standing outside a log cabin covered in snow and icicles. In the foreground of the image several loaded packs are laid out surrounding the cabin. The cabin belonged to ranger Alex Nelles' and was located at Willow Creek.
Photograph depicts ranger Alex Nelles' log cabin covered in snow and ice. Beside the cabin is an unidentified man standing next to a horse with travel packs in front of the cabin.
Photograph depicts ranger Alex Nelles' log cabin covered with snow and ice. Surrounding the cabin are cabin are several loaded packs and a horse.
Photograph depicts the rear view of a pack horse laden with Prentiss Gray's camera equipment. In the background of the image a snow-covered forest is visible.
Photograph depicts regenerating pine trees in a burn area.
Photograph depicts a river running through a carved mountain landscape with a forested cliffside.
Photograph depicts a river running through a heavily forested landscape.
Photograph depicts a river running through a forested landscape with mountains in the background.
Photograph depicts a river running through a heavily forested landscape.
Photograph depicts a river running through a snowy landscape with a forest visible in the background.
Photograph depicts Roche Myette along Davona Creek near a campsite.
Photograph depicts the Rocky Mountain range visible from above distant tree tops.
Photograph depicts a Rocky Mountain vista seen across a forested plateau.
Photograph depicts a Rocky Mountain vista seen through a snow-covered forest.
Photograph depicts a rocky mountain slope covered in snow.
Photograph depicts an unidentified men with binoculars lying on a snowy mountain ridge looking for big game.
Photograph depicts two unidentified men, one with binoculars, looking to a distant mountain from the snowy banks of Terrace Creek.
Photograph depicts a townsite with with several buildings and fences. The image possibly depicts Moberly, though It has been suggested that this is more likely Hudson Hope.
Photograph depicts the side profile of a packhorse loaded with Prentiss Gray's camera equipment with a snow-covered forest in the background.
Photograph depicts a small creek running through a wooded landscape with part of the Rocky Mountains visible in the background.
Photograph depicts a small lake surrounded by a mountainous forest terrain. In the foreground a barren tree line is visible.
Photograph depicts a river leading into a waterfall amidst snow-covered trees.
Photograph depicts a river leading into a waterfall amidst snow-covered trees.
Photograph depicts a river leading into a waterfall amidst snow-covered trees.
Photograph depicts a mountain peak covered with trees and snow.
Photograph depicts a mountain slope covered with trees and snow.
Photograph depicts a grassy plateau with snow-capped mountain peaks visible in the background through a forested landscape.
Photograph depicts a snow covered mountain rising from the valley below.
Photograph depicts a snow-covered valley, covered with brush.
Photograph depicts a mountain pass covered in snow with trees on either side of the pass.
Photograph depicts a man standing at a campsite with three tents in a forest clearing with snow-covered trees in the background.
Photograph depicts a snow-covered campsite with three tents, situated in a forest clearing.
Photograph depicts a valley covered with trees and snow leading up to a snowy mountain range.
Photograph depicts snow-coved mountain peaks.
Photograph depicts snow-covered mountain peaks with trees at the base of the mountain.
Photograph depicts snow-covered mountain peaks.
Photograph depicts snow-covered mountain peaks with a tree line in the foreground.
Photograph depicts snow covered mountain peaks seen through a mountain pass near Jasper Park.
Photograph depicts snow-covered mountain peaks visible above the top of a line of trees.
Photograph depicts an aerial view of a snow-covered mountain range.
Photograph depicts a snow-covered mountain range with forested foothills in the foreground.
Photograph depicts a snow-covered mountain range with forested foothills below.
Photograph depicts a snow-covered mountain range with a forested plateau in the foreground.
Photograph depicts a snow-covered mountain range in the Canadian Rockies.
Photograph depicts a snow-covered mountain range seen from above the treetops.