River flowing along line of trees, showing partial view of mountain in background, Yellowstone National Park, Wyoming, [s.d.] 

Grassy field with many pine trees and mountain in background, Yellowstone National Park, Wyoming, [s.d.] 

Wide river flowing between two embankments, showing large tree in foreground left, Yellowstone National Park, Wyoming, [s.d.] 

Wide river moving along a line of trees, showing rocky embankments on left and right, Yellowstone National Park, Wyoming, [s.d] 

Large surge of water across flat plain, showing trees in background, Yellowstone National Park, Wyoming, [s.d.] 

Grassy field and trees, showing small branch in foreground, Yellowstone National Park, Wyoming, [s.d.] 

River moving along a rocky bank with trees on the outskirts, Yellowstone National Park, Wyoming, [s.d.] 

River moving along a rocky bank with trees on the outskirts, Yellowstone National Park, Wyoming, [s.d.] 

Railroad track and cable car near a large mountain, showing workbench in foreground, Yellowstone National Park, Wyoming, [s.d.] 

Wide river with large trees on either side, showing large rocks and rapids in foreground, Yellowstone National Park, Wyoming, [s.d.] 

Group of people posing on an uprooted tree, showing small carriage in foreground, Yellowstone National Park, Wyoming, [s.d.] 

Wide waterfall flowing into a river, showing logs near foreground, Yellowstone National Park, Wyoming, [s.d.] 

Choppy river moving near line of trees, showing three women on a bridge nearby, Yellowstone National Park, [s.d.] 

Large open field, showing trees and mountain ranges in extreme background, Yosemite National Park, California, [s.d.] 

Close-up view of waterfall and surrounding mountain slopes, Yosemite National Park, California, [s.d.] 

Yosemite Falls seen in extreme background, showing small house near line of trees in foreground, Yosemite National Park, California, [s.d.] 

Small campsite along the base of pine tree forest, with large mountains and waterfall in background, Yosemite National Park, California, [s.d.] 

Sentinel Dome surrounded by group of trees in foreground, Yosemite National Park, California, [s.d.] 

Four individuals posing near Mirror Lake, showing large mountains in background, Yosemite National Park, [s.d.] 

Wide river surrounded by tall pine trees, showing the Half Dome in the background, Yosemite National Park, California, [s.d.]