Correspondence from S. B. Locke, Conservation Director of the Izaak Walton League, discussing resolutions adopted by the organization's 13th Annual Convention on April 13, 1935. Resolution topics include opposition to the construction of the Grand Coulee and Bonneville Dams, construction of sewage disposal plants, and a closed season on migratory waterfowl.

A man surveys a dirt area in front of large spillway bays at the McNary Dam on the Columbia River, during its construction. Water can be seen at the base of the cement pillars, with the Columbia River visible in the distance. Photographs from this series were published in the Oregon Journal on Sunday, April 30, 1950 (negative 1 of 42).

Excavation at the McNary Dam site on the Columbia River, most likely in preparation for the construction of a powerhouse on the Oregon side. Heavy equipment and workers can be seen in a rocky pit. Photographs from this series were published in the Oregon Journal on Sunday, April 30, 1950 (negative 13 of 42).

People working on the McNary Dam on the Columbia River, between Oregon and Washington. A portion of the dam is framed in by wood, with rebar in place for cement. Workers are standing on top of the structure. Photographs from this series were published in the Oregon Journal on Sunday, April 30, 1950 (negative 2 of 42).

A launderette near the Columbia River, photographed during construction of the McNary Dam. The “Launderette” building is in an open grassy area, with a sign reading “Launderette rough dry, wet or finish” sign in the foreground. Photographs from this series were published in the Oregon Journal on Sunday, April 30, 1950 (negative 20 of 42).

Workers during construction of the McNary Dam on the Columbia River. A crane is lowering a large unit, which is being guided by several workers wearing safety hats. They stand on a structure made of wood and rebar. Photographs from this series were published in the Oregon Journal on Sunday, April 30, 1950 (negative 21 of 42).

A fish ladder being built at the McNary Dam on the Columbia River. Taken from a high angle and looking downward, wood and rebar can be seen throughout the scene, with the river visible in the distance. This photograph was published in the Oregon Journal on Sunday, April 30, 1950 (negative 22 of 42).

An overhead view of construction at the McNary Dam on the Columbia River. The structure is built of wood, rebar, and cement, with the water visible in the distance. Photographs from this series were published in the Oregon Journal on Sunday, April 30, 1950 (negative 23 of 42).

A ferry on the Columbia River, carrying workers during the construction of the McNary Dam. Automobiles and people can be seen on the ferry, which appears to be docked on the river. Next to the ferry is another ship, the Betty Lou Russell. The far shore of the river can be seen in the distance. Photographs from this series were published in the Oregon Journal on Sunday, April 30, 1950 (negative 31 of 42).

An overhead view of construction at the McNary Dam on the Columbia River. The river extends into the distance, while a dirt berm is being constructed at the center of the frame. At the bottom is a dam structure built of wood, rebar and cement. Photographs from this series were published in the Oregon Journal on Sunday, April 30, 1950 (negative 24 of 42).

A worker during the construction of the McNary Dam on the Columbia River. The man wears a hard hat and is standing in front of a mechanical unit with multiple levers. Photographs from this series were published in the Oregon Journal on Sunday, April 30, 1950 (negative 29 of 42).

Construction workers on the McNary Dam build project on the Columbia River. The men are wearing hard hats and vests, and appear to be talking in a group. Photographs from this series were published in the Oregon Journal on Sunday, April 30, 1950 (negative 32 of 42).

Construction at the McNary Dam on the Columbia River. Water can be seen at the base of the spillway bays, with the dam structure in various stages of construction with wood and cement. Photographs from this series were published in the Oregon Journal on Sunday, April 30, 1950 (negative 5 of 42).

A McNary Dam construction worker sits on the running board of an automobile, smoking a cigarette. He wears a safety hat and is seated next to a group of workers that appear to be talking to one another. This photograph was published in the Oregon Journal on Sunday, April 30, 1950 (negative 40 of 42).

A partially completed cofferdam at the McNary Dam on the Columbia River. Water can be seen flowing through the wooden structures, which appear to be filled with pieces of stone. This photograph was published in the Oregon Journal on Sunday, April 30, 1950 (negative 6 of 42).

A partially completed spillway bay at the McNary Dam on the Columbia River. A wooden stairway has been constructed up the side of the structure, with wood and rebar visible at the top. Photographs from this series were published in the Oregon Journal on Sunday, April 30, 1950 (negative 7 of 42).

Photograph showing the construction of the spillway at the River Mill Dam. At the left side of the frame, a portion of a wooden suspension bridge can be seen. Behind, a railroad bridge spans the space between two cliffs, beyond which wooden buildings are visible. Written on the negative is “#84M. 1-28-11.”

Photograph of the River Mill Dam, showing recently cut trees and possibly dam structure under construction. Water can be seen at the front of the frame.

Photograph showing the left bank of the Clackamas River at the river Mill Dam, taken from the “island.” Near the center of the frame, two men in long jackets stand next to a surveying station. To the left, another man in a hat and jacket looks at the camera. In the distance, men can be seen working on the dam spillway. Written on the negative is “#70M. 11-28-10.”

Photograph showing the camp at the River Mill Dam site, taken from the top of the railroad bridge. Snow blankets the ground throughout the image, and numerous wooden buildings an be seen. Written on the negative is “82M.”

Photograph showing the camp at the River Mill Dam site, taken from the top of the railroad bridge. Snow blankets the ground throughout the image, and numerous wooden buildings an be seen. Written on the negative is “82M.”

Photograph showing an excavated area with dirt, water, and gravel. In the distance, buildings, trees, and hillsides can be seen. Also visible in the distance is Mt. Hood. Written on the negative is “0256.”

Photograph of Bull Run reservoir showing dike and temporary falsework for construction of intake. A man in a long coat and hat stands on the dike looking forward. In the background, trees and buildings are visible.

Photograph showing a loose hillside with railroad tracks and a gravel pit at the Big Sandy Dam (likely the Marmot Dam). Multiple men can be seen standing on and near the tracks. At the top of a hill is a small wooden structure and platform. Written on the negative is “B.S.56.”

Photograph taken from a hill looking downward, showing buildings, trees, and hills in the distance. Written on the negative is “0254.”

Photograph looking into penstock tunnel at Bull Run. Wooden structure and train tracks visible down length of tunnel.

Photograph taken from a high angle showing the penstocks at the Little Sandy Dam. In the distance, numerous utility poles and electric lines are visible. Construction debris litters the ground throughout the image. Written on the negative is “0346.”

Photograph showing men in work wear standing next to a large Y shape penstock. The metal penstock is seated on long pieces of wood with visible writing on different sections. A railroad track can be seen crossing through the front of the frame.