Right panel of 2-part panorama of Oswego Iron Works, also known as the Oregon Iron Company, in Oswego, Oregon. The Willamette River is in the background.

View of Willamette Falls, with the settlement of Canemah partially visible in the background. Right panel of 3-part panorama.

View of Willamette Falls with the settlement of Canemah in the background. Taken from the west shore.

An unidentified man holds up a sign that reads, “Cold Beer,” 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.

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."

Photographic postcard showing a large empty field. A few tents are set up on the right, in the distance. Writing on the bottom of the postcard reads, "800, Rifle Range & Camping Ground, Clackamas, Ore." Stamp on back indicates this was published by the Patton Post Card Co. in Salem, Oregon.

Photographic postcard showing a river. A few people fish from the shore. Writing on bottom of postcard reads, "826, Clackamas Tavern Fishing Ground near Oregon City, Ore."

A panoramic view of buildings on the banks of the Willamette River near Wilsonville, Oregon. Barns and agricultural fields are visible in the distance.

VISTA volunteer Richard Meyer (center) reads a book to 2 boys, Doyle Ash (left) and Bobbie Eiffert (right) at the Valley Migrant League's daycare center in Sandy, Oregon. The center offers daycare services for the children of migrant farm workers. This image was published in the Valley Migrant League's Opportunity News on June 3, 1966.

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.

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

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

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

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.

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.”

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

View of Oswego Iron Works, also known as the Oregon Iron Company, in Oswego, Oregon. Railway to transport ore is visible in the foreground.

View of Willamette Falls with the settlement of Canemah in the background. Taken from the west shore. Lower right imprint reads: "Taber Photo, San Francisco." OHS Collection includes 1 duplicate of this mammoth plate on a different mount, with the alternate title, "The Willamette Falls, Oregon."

View of Oregon City across the Willamette River. Steamboat docks are visible on the river. Left panel of 3-part panorama.

View of Willamette Falls and part of Oregon City, taken from the east shore on a bluff above Oregon City. Imperial Flour Mills and Oregon Woolen Mills are both visible. OHS Collection includes 1 duplicate of this mammoth plate on a different mount.

View of the Imperial Flour Mills on the left, and the Oregon Woolen Mills on the right. In the foreground, five men on a boat look up at the camera, including a man on the stern who tips his hat.

Photographic postcard showing soldiers at a rifle range in Clackamas, Oregon. Targets are visible in the distance. Writing on the bottom of the postcard reads, "838, Government Rifle Range, Clackamas, Ore."

Photograph of farm laborers kneeling in the rows of a strawberry field. Handwriting on top of photograph reads, "2.5 acre Patch of Gold Dollar Strawberries, 1 mile from Clackamas Station." Handwriting on bottom reads, "W.A. Bailey." Portions of the photograph are damaged and blurry.

Photograph of a 2-story house with a front porch. The house is behind a fence made of wire. A black dog sits in front of the fence. Handwriting on the back of the print reads, "Clackamas Co."

Photograph of a 2-story building with a cupola. Handwriting on back of print reads, "Clackamas Co. School."

Photograph of a 2-story house with a front porch. There is a fence in front of the house. Handwriting on the back of the print reads, "Clackamas, Co."

Photograph of 3 men in a wheat field. One man sits on a vehicle drawn by 3 horses. There are bushels of wheat scattered around the field. Handwriting on back of print reads, "Clackamas County. 1 Mile West Clackamas Sta."