Photograph of river moving along a rocky bank with trees on the outskirts, Yellowstone National Park, Wyoming, [s.d.]. In the extreme foreground at center, a small rivers is visible moving over several rocky embankments. Large rocks are visible in the extreme foreground, and other stones can be seen emerging from the water's surface in the background. The river can be seen extending into the background at center. To the left of the river, several large trees can be seen growing on a rocky mountain slope. A large row of pine trees can be seen in the extreme background. A mountain is visible beyond the line of trees.