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.

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.”

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

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.

Negative of a photographic postcard showing the Estacada Bridge over the Clackamas River in Estacada, Oregon. There are trees on both banks of the river. Handwriting on negative reads, "Clackamas River and Bridge - Estacada, Ore. Christian 11-6006."

Negative of a photographic postcard showing the Mill River Power Plant at the River Mill Dam in Estacada, Oregon. Water from the Clackamas River goes over the spillway in the background. Power lines carry electricity from the plant. Handwriting on negative reads, "Mill River Power Plant - Estacada, Ore. Christian 11-6007."

Photograph showing the Estacada Hotel, with a train and large crowd of people in front. Many of the people are faced forward towards the camera, many of which are children. The building is two-stores, with decorative awnings on the windows. In the background is small forested hill. Signs with “The Estacada” are visible on the front and side of the building. The image is a duplication of another photograph, which is appears to be attached to a surface.

Two men and a logging fire truck. One is in the back of the truck bending over a reel of hose, another is walking past the front of the truck. A hose extends from the central side of the truck along the ground and out the left side of the frame. The truck door has lettering that reads "Glen E. Parn Logging Estacada, ORE." the engine compartment on the truck is open. Mt. Hood is visible in the background (negative 3 of 7).

Three men filling a reservoir with water from a pond or lake. One stands to the left of the frame with his hands on the frame, one stands to the right of the reservoir and pump holding a hose, and another stands behind them looking down at the pond or lake (negative 1 of 9).

Two men taking a break from fighting a forest fire. One is standing on the back of a vehicle holding and cutting a melon, while another is standing behind the vehicle waiting (negative 2 of 9).

Negative of a photographic postcard showing the exterior of a grade school in Estacada, Oregon. Handwriting on negative reads, "Grade School - Estacada, Oregon. Christian 11-6001."

Negative of a photographic postcard showing the exterior of a Christian church in Estacada, Oregon. A sign over the entryway reads, "Church of Christ, 1909." Handwriting on negative reads, "Estacada, Oregon. Christian 11-6013."

A view of the Clackamas River in Estacada, Oregon. Houses are visible on a hill and the Clackamas River and a bridge are visible below.

Photograph showing the exterior of the two-story Estacada Hotel. The windows on the first and second floors are covered by decorative awnings, and small trees can be seen surrounding the building. In front appears to be an open lawn area. (Image note: slight discoloration visible at bottom of frame, due to slight deterioration).

A man in a suit stands in front of a car on a dirt road along a ridge. Behind them smoke rises from another mountain ridge (negative 3 of 9).

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.

Negative of a photographic postcard showing a street scene in Estacada, Oregon. There are several businesses on the street, including Stein's Bread, Trail's Inn Tavern, and the Broadway Theater. Automobiles are parked in the street. Handwriting on negative reads, "Estacada, Oregon - Christian 11-6000."

Negative of a photographic postcard showing a lumber yard at the Park Lumber Company in Estacada, Oregon. There are stacks of lumber scattered across the yard. There is a large pile of logs in the background. Handwriting on negative reads, "Park Lumber Co. - Estacada, Ore. Christian 11-6008."

Two men and firefighting vehicles and equipment. One is standing leaning against a truck, while another sits on the tailgate. Pumps and hoses are visible in the back of the truck (negative 5 of 7).

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.”