Photograph showing a man driving a open cockpit caterpillar machine at the top of a canyon at Cove Palisades State Park. At the base of the canyon is a river (the Deschutes River or Crooked River). On the machine is written "Caterpillar."

Photograph taken from a high angle and looking downward showing a river running through a steep canyon (likely the Deschutes River or Crooked River). Columnar basalt can be seen on either side of the canyon.

Photograph taken from a high angle and looking downward towards a river at the base of a canyon (likely the Deschutes River or Crooked River). A man is seated on a hillside and facing downhill, with a cigar and notebook. (Image note: see related image PGE 59-240-61).

Photograph showing taken from a high angle and looking towards the far side of a canyon. In the foreground is a seated man wearing a hat, who is facing away from the camera and holding paper. At the base of the canyon is a river (Deschutes River or Crooked River), and a building. (Image note: see related image PGE 59-240-57).

Photograph taken from a high angle and looking downward into a wide canyon with steep walls. A river runs through the bottom of the canyon (likely the Deschutes River or Crooked River).

Photograph showing a wide canyon at Cove Palisades State Park. Trees, buildings and a dirt road can be seen on the canyon floor, which extends into the distance.

Photograph taken from a high angle and looking downward showing a river running through a steep canyon (likely the Deschutes River or Crooked River). Columnar basalt can be seen on either side of the canyon.

Photograph looking to the side and downward showing a cliff face and steep canyon. At the base of a canyon is a river (likely the Deschutes River or Crooked River).

Photograph taken from a high angle and looking downward at a river (likely the Deschutes River or the Crooked River) at Cove Palisades State Park. A boat travels on the water, and unidentified wooden structures can be seen on the edge of the water. Towards the top of the frame, the switchbacks of a trail can be seen heading down a hill towards the water. (Image note: see related image PGE 59-240-36).

Photograph looking down a grassy hill towards the edge of a river (Deschutes or Crooked River), where a boat us moored to a dock. A man is standing on the small dock structure and is leaning towards the window of the boat. A rock formation is visible next to the boat.