This photograph is of a dam in Riding Mountain National Park.

In this photograph a group of conscientious objectors, gathered in discussion around one end of the partially constructed dam. This photograph was taken at Whirlpool Lake, two and a half miles north of Camp 1, near Clear Lake in Riding Mountain National Park, Manitoba.

This is a photograph of the dam built by conscientious objectors at Whirlpool Lake two and a half miles north of Camp 1, near Clear Lake in Riding Mountain National Park, Manitoba.

In this photograph several conscientious objectors are standing on and alongside the dam at Whirlpool Lake as they work on its construction. This photo was taken at Whirlpool Lake, two and a half miles north of Camp 1, near Clear Lake in Riding Mountain National Park, Manitoba.

In this photo several conscientious objectors are setting a log across a creek to create a dam. The construction site is at Whirlpool Lake, two and a half miles north of Camp 1, which is based in Wasagaming, near Clear Lake in Riding Mountain National Park, Manitoba.

The conscientious objectors in this photo are building the base of the dam at Whirlpool Lake out of logs. This photograph was taken at Whirlpool Lake, two and a half miles north of Camp 1, near Clear Lake in Riding Mountain National Park, Manitoba.

This photograph of the dam was taken at Whirlpool Lake, two and a half miles north of Camp 1, near Clear Lake in Riding Mountain National Park, Manitoba. The dam was built by conscientious objectors.