An unidentified man waves at the camera during the Vortex I Music Festival at Milo McIver State Park.

Several people standing and sitting on the ground at Milo McIver State Park during the Vortex I Music Festival. A Nude sunbather faces away from the camera in the foreground.

Several people standing and sitting on the ground along a fence at Milo McIver State Park during the Vortex I Music Festival.

An unidentified man wearing sunglasses and a collared shirt at Milo McIver State Park during the Vortex I Music Festival. There is a patch on his shoulder that reads “W58 2 IWC.”

Several people walk on foot down an unpaved road near Milo McIver State Park where the Vortex I Music Festival was held. A wooden sign in the foreground reads, “Milo McIver State Park Oregon State Highway Department.”

Two unidentified attendees of the Vortex I Music Festival at Milo McIver State Park. One of the people is carrying a young child in a backpack carrier.

Two unidentified attendees of the Vortex I Music Festival sit topless on the ground at Milo McIver State Park.

Two unidentified people on a motorcycle at Milo McIver State Park during the Vortex I Music Festival. Another person stands beside the motorcycle.

An unidentified man wearing a large backpack at Milo McIver State Park during the Vortex I Music Festival.

Two unidentified attendees of the Vortex I Music Festival lay on the ground at Milo McIver State Park.

Two unidentified attendees of the Vortex I Music Festival lay topless on a blanket on the ground at Milo McIver State Park.

An unidentified man holds up a sign that reads, “Cold Beer,” at Milo McIver State Park during the Vortex I Music Festival.

Several people are loaded in the back of a truck while others walk on foot down an unpaved road near Milo McIver State Park where the Vortex I Music Festival was held. A wooden sign in the foreground reads, “Milo McIver State Park Oregon State Highway Department.”

Members of The Gangsters performing on an elevated stage at Milo McIver State Park during the Vortex I Music Festival. Band members pictured are Michael Cooper (baritone saxophone), Melvin Vann (tenor saxophone), Thara Memory (trumpet), Lester Cooke (tambourine), and Jimmy Sanders (organ). Additional band members also present but not pictured from this performance are Lester McFarland (guitar), Calvin Walker (drums), Michael Nowlen (drums), Ronnie Young (percussion). A crowd of people are dancing below the stage in the foreground.

A crowd of people walking on an unpaved road near Milo McIver State Park where the Vortex I Music Festival was held. A field of parked cars and an American Flag on a pole are visible in the background.

Photograph, taken from one end, showing a wooden suspension bridge, probably the 1888 bridge over the Willamette River between West Linn and Oregon City. That bridge was replaced with the current arch bridge in 1922. The text “Bridges - Clackamas County” is written on the negative sleeve. Image note: Light leak on negative.

Photograph, taken from one end, showing a wooden suspension bridge, probably the 1888 bridge over the Willamette River between West Linn and Oregon City. That bridge was replaced with the current arch bridge in 1922. The text “Bridges - Clackamas County” is written on the negative sleeve. Image note: Light leak on negative.

View of a boat on the Willamette River in front of the house at Jennings Lodge, taken from the study window.

View down the Willamette River from Spooner's place.

View down the Willamette River from the house at Jennings Lodge, showing boat.

View of the corner of the house at Jennings Lodge looking down the river.

View of bare cottonwood trees along the Willamette River.

Photograph of the Oregon Electric Railway railroad bridge over the Willamette River at Wilsonville, Oregon. Taken from the railroad tracks, looking up the tracks as they cross the river. Handwriting on back of print reads, "Oregon Electric Ry bridge over Willamette River at Wilsonville, Ore."

Photograph of the Oregon Electric Railway bridge over the Willamette River at Wilsonville, Oregon. The bridge is under construction. Taken from the shore of the river, looking at the bridge. Handwriting on the back of the print reads, "Oregon Electric Ry. Wilsonville Bridge nearing completion. Frederick Prahl, General Roadmaster (died 1909), 'in charge of construction,' 1906 - 07. Presented Jan 18, 1956 by Margaret L. Chappell - granddaughter, Addie M. Sliven - daughter, 2535 Willamette Blvd. Portland 11 Ore." Postmark stamp on the back of the print reads, "Wilsonville, Sep. 17 P.M. 1907, Oregon."

Photograph looking downhill, showing two linemen at the top of a utility pole with Mt. Jefferson visible in the distance. Snow can be seen on the ground, trees, and mountains throughout the frame. A utility pole and electric line are at the right side of the frame. Likely taken near Timberline Lodge. Written on the negative is "57-320." (Image note: see related image PGE 57-320-15).

Photograph looking downhill, showing two men in hardhats and a woman standing in the snow. In the distance, the top of the Timberline Lodge is visible, including a decorative weather vane with the Timberline Lodge logo. Next to the three individuals is a ski lift with a wooden stairway and small building. Written on the negative is "57-320."

Photograph looking downhill, showing two men in hardhats and a woman in the snow. One of the men is seated with the woman in the snow, attaching snow shoes to her feet, while she turns and looks at the camera. The other two men can be seen downhill walking towards the Timberline Lodge, which is visible in the distance. A decorative weather vane can be seen on top of the building, and a ski lift and wooden platform are on the right side of the frame. Written on the negative is "57-320."