A new irrigation reservoir being filled at the Grand Coulee Dam on the Columbia River. People can be seen observing behind upper railings, during a dedication ceremony for the new system. This photograph was published in the Oregon Journal on Friday, June 15, 1951 (negative 14 of 37).

A man stands on a low cement wall at the Grand Coulee Dam, during a ceremony marking the start of a new irrigation pump system. Water appears to be flowing into a feeder canal into a larger large area, with basalt cliffs visible throughout the scene. This photograph was published in the Oregon Journal on Friday, June 15, 1951 (negative 18 of 37).

Queens and princesses from the Washington State Apple Blossom Festival at the Grand Coulee Dam for a “Water-of-all-States Ceremony,” marking the start of a new irrigation pump system. They pour water from glass jugs into the reservoir, collected for other states within the United States. Water can be seen filling the reservoir canal. Photographs from this series were published in the Oregon Journal on Friday, June 15, 1951 (negative 17 of 37).

A feeder canal moving water from the Grand Coulee Dam to a large reservoir. Slanted cement walls are on either side of the canal, with basalt rock formations above. People can be seen walking along the top of the wall. Photographs from this series were published in the Oregon Journal on Friday, June 15, 1951 (negative 23 of 37).

Queens and princesses from the Washington State Apple Blossom Festival at the Grand Coulee Dam for a “Water-of-all-States Ceremony,” marking the start of a new irrigation pump system. They pour water from glass jugs into the reservoir, collected for other states within the United States. Water can be seen filling the reservoir canal. Photographs from this series were published in the Oregon Journal on Friday, June 15, 1951 (negative 36 of 37).

People gathered at the Grand Coulee Dam on the Columbia River, at the start of irrigation pumping. A military band is in the foreground, with an empty cement reservoir visible in the distance. A crowd stands above a cement wall. Photographs from this series were published in the Oregon Journal on Friday, June 15, 1951 (negative 5 of 37).

Tribal members from the upper Columbia stand in front of an empty reservoir at the opening of an irrigation system at the Grand Coulee Dam on the Columbia River. The men wear feathered headdresses at either side of the group, with three women standing in the middle. Photographs from this series were published in the Oregon Journal on Friday, June 15, 1951 (negative 5 of 37).

Queens and princesses from the Washington State Apple Blossom Festival at the Grand Coulee Dam for a “Water-of-all-States Ceremony,” marking the start of a new irrigation pump system. They file down a set of wooden stairs, built on a dirt hillside, as people watch from above. Photographs from this series were published in the Oregon Journal on Friday, June 15, 1951 (negative 8 of 37).

Tribal members from the upper Columbia stand in front of an empty reservoir at the opening of an irrigation system at the Grand Coulee Dam on the Columbia River. Two men wear feathered headdresses, next to three women. One man extends his left arm. Photographs from this series were published in the Oregon Journal on Friday, June 15, 1951 (negative 7 of 37).

An unidentified man speaks at a Grand Coulee Dam dedication ceremony, celebrating the opening of new irrigation pumps. He wears a suit and stands behind a podium and microphone. An empty reservoir can be seen in front of the speaker. Photographs from this series were published in the Oregon Journal on Friday, June 15, 1951 (negative 9 of 37).