Photograph showing a baby at an unidentified city park pool in Portland. The baby is wearing a bathing suit and is in shallow water. Children can be seen splashing in the water in the background (negative 12 of 26).

Photograph showing a child at a pool in an unidentified Portland city park. She is holding a toy boat, and other children can be seen in the background (negative 2 of 26).

Photograph showing a group of children splashing at an unidentified city pool in Portland. They are facing towards and camera, and several children are holding their arms in the air (negative 1 of 26).

Photograph showing children in a pool at an unidentified Portland city park. A baby is being held by an older child, and other children can be seen splashing in the background (negative 13 of 26).

Children and adolescents lay on the ground near a swimming pool in Sellwood Park. People can be seen standing behind a metal fence, outside of the pool area (negative 4 of 4).

A group of children splash in a pool at Sellwood Park. Many are facing towards the camera and raising their arms. A brick building can be seen in the background (negative 1 of 4).

A woman in a bathing suit leans downward towards the edge of a swimming pool in Sellwood Park, where a group of children are gathered. Several children are splashing in the water. In the background is a brick building (negative 2 of 4).

Photograph of a crowd of people sitting on the divider between two outdoor swimming pools. Part of a lane line is visible in the pool on the right, and there are swimmers in the pool on the left. Image note: Light leaks on negative.

Photograph of swimmers in an outdoor pool and others gathered in the shade nearby.

Photograph of swimmers playing in an outdoor pool.

Photograph of a crowd of people, mostly children, at an outdoor swimming pool. Image note: Photograph shows discoloration due to deterioration of the negative.

Photograph of a crowd of children in swimming suits next to an outdoor pool. Image note: Photograph shows discoloration due to deterioration of the negative.

Photograph of a crowd of children in swimming suits next to an outdoor pool. In the background, swimmers are crowded on the deck along the edge of the pool. Image note: Photograph shows discoloration due to deterioration of the negative.

Photograph of an outdoor pool swimming pool crowded with children. Image note: Photograph shows discoloration due to deterioration of the negative.

Photograph of a crowd of swimmers, most or all of them children, on the deck of an outdoor swimming pool. Houses are visible in the background. Image note: Photograph shows discoloration due to deterioration of the negative.

Photograph of an outdoor pool crowded with swimmers, many of them children. Image note: Photograph shows discoloration due to deterioration of the negative.

A diver in mid-air, after leaping into a pool at an Active club meet at Jantzen Beach Amusement Park on Hayden Island. People stand along the side of the pool, and another pool and building can be seen in the background. Written on the negative is “Willa Worthington” (negative 2 of 7).

Photograph of an unidentified diver in midair above an outdoor swimming pool. Spectators are watching from the diving platform above and from the side of the pool. The number 16 is written on the negative and is visible in the upper right corner of the photograph. Image note: Light leaks on negative.

Photograph of an unidentified diver in midair above an outdoor swimming pool. In the background, spectators are watching on the pool deck and from behind a chain-link fence.

Photograph of an unidentified diver in midair above an outdoor swimming pool. Spectators are watching from the diving platform above and from the side of the pool. The number 21 is written on the negative and is visible in the upper right corner of the photograph. Image note: Light leaks on negative.

Photograph of an unidentified diver upside down in midair above an outdoor swimming pool. In the background, spectators are watching on the pool deck and from behind a chain-link fence.

Photograph of an unidentified diver upside down, just above an outdoor swimming pool. Spectators are watching from the diving platform above and from the side of the pool. The number 19 is written on the negative and is visible in the upper right corner of the photograph. Image note: Light leaks on negative.

A young girl stands on the steps leading up to the wading pool at Coolidge McClaine Park in Silverton, Oregon. She wears a bathing suit and has one foot and both hands resting on a railing.

Photograph of a small indoor pool with a springboard. Above the pool is an arched glass ceiling.

Photograph showing an unidentified man splashing into a swimming pool from the back of an inflatable toy during the initiation of new members at the Portland Breakfast Club’s midsummer party on Tuesday, August 21, 1934. An unidentified man behind the initiate falling into the pool is speaking into a microphone. At right are initiates in diapers waiting for their turn. A crowd of club members is watching from around the edge of the pool. See related image Nos. 372A0698 and 372A0699.

A group of swimmers, coached by Jack Cody, posing in a circle in a swimming pool at the Multnomah Athletic Club in Portland. The swimmers all have their hands on a floating inter-tube at the center of the group (negative 8 of 12).

A group of swimmers, coached by Jack Cody, posing as a group next to a pool at the Multnomah Athletic Club in Portland. All the swimmers are wearing bathing suits with a winged “M” across the front (negative 6 of 12).

Lavelle Flannery, of the Portland Aquatic Club, makes a turn during a city championship swim meet at the Multnomah Athletic Club in Portland. Other swimmers kneel at the edge of the pool cheering for Flannery. This photograph was published in the Oregon Journal on Sunday, January 30, 1949 (negative 2 of 4).