Robert Swanson's photos with the keyword: rocks

Devils Gulch, South Dakota

Devils Gulch, South Dakota

Robert Swanson Posted on 08 Jan 2023
Agate Beach, Oregon, 1918

Agate Beach, Oregon, 1918

Robert Swanson Posted on 04 Mar 2022
Entrance to Yellowstone National Park (HWW)

Entrance to Yellowstone National Park (HWW)

Robert Swanson Posted on 22 Dec 2021