Part 1 (PH 1288-PH 1296, PH 4988, WHi(U621-U622)): Original Collection, 1918-1934
Physical Description: 723 photographs and 242 negatives 
Scope and Content Note: Photographs taken by Johnson while Civil Works Administration Wisconsin state director, for State Project 14 (1933-1934). Also includes photographs taken by Johnson while adjunct and chief photographer related to the United States Army North Russian Expeditionary Force (1918-1919).

United States Army North Russian Expeditionary Force photographs, 1918-1919

Landscapes, villages, and groups of soldiers and civilians

Glass plate negatives

Nitrate negatives
Access Restrictions: Use of nitrate negatives restricted. Consult reference archivist regarding access to negatives.

Civil Works Administration, Wisconsin State Project, 14 photographs, 1933-1934

Sites, condition of structures, workmen, schoolhouses, courthouses, pumping stations, fairgrounds, and libraries

Construction work on roads, highways, small road bridges, and streets

Engineering and maintenance work to correct soil erosion

Construction work on aspects of public safety, including firewalls, cisterns, sidewalks, and sewers

Women's group sewing projects

Aerial and ground shots of airports

Engineering work on waterways and embankments

Construction and landscaping work in parks and recreational areas

Aerial photographs of construction projects

Part 2 (M2015-138): Additions, 1917-1969
Physical Description: 1.8 cubic feet (1 records center carton and 1 flat box) and 1.0 cubic feet of photographs (2 archives boxes and 1 flat box) 
Scope and Content Note: Additions, 1918-1969, consisting of papers and photographs related to Johnson's service with the American North Russian Expeditionary Force in Archangel, Russia (1918-1919), the Civil Works Administration (1933-1934), the United States Navy in Iwo Jima, Japan (1943-1945), and his work with the Siesel Construction Company (Milwaukee, Wisconsin). The papers include correspondence with his wife, Dorothy; memos, orders, and correspondence while training and serving in England and Russia; a scrapbook of news clippings from his service in the Civil Works Administration, family correspondence during World War II with sporadic journal entries; reports and ephemera from his service with the USNR; and correspondence, news clippings, and ephemera related to his work in Milwaukee with the Siesel Construction Company and with the various boards and advisory councils on which he served. Also included are Johnson's photographs from England and Russia, the Works Progress Administration, Iwo Jima and Japan during WWII, and various Milwaukee engineering projects including the expressway expansion. In addition, there are two scrapbooks and a photo album kept by Johnson's daughter, Mary Ann, while the family was stationed at Saint Thomas in the Virgin Islands (1940-1941) and her summer at Camp Wawbeek in the Wisconsin Dells (1943).

Trench Fortification School training, 1917-1918

Correspondence, 1918

Correspondence and ephemera, 1918-1919

Archangel reports, 1919

Archangel reports and memos, 1919

American Sentinel, 1919

American North Russia Expeditionary Force (ANREF) ephemera, 1919-1957

Civil Works Administration

Correspondence, 1940-1944

Ephemera, 1944-1946

104th Seabees ephemera

9th Naval Construction Brigade

Speeches, 1952-1963

Letters of congratulations and thank you notes, 1953

Siesel Construction Company, 1952-1954

Correspondence, news clippings, and ephemera, 1953-1968

Correspondence regarding Johnson's death and burial, 1969

Certificates

Certificates (continued)

Civil Works Administration scrapbook, 1933-1934

Photographs

Robert and Dorothy Johnson

Robert Colton Johnson portraits

Robert Colton Johnson groups

England and Russia

Works Progress Administration

Milwaukee expressway

Milwaukee Association of Commerce

Operation Understanding

Siesel Construction Company

Wisconsin Society of Professional Engineers

Iwo Jima

Japan

World War II

Mary Ann Johnson photo album, Saint Thomas, Virgin Islands, 1940-1941

Mary Ann Johnson scrapbooks

Saint Thomas, Virgin Islands, 1940-1941

Camp Wawbeek, Wisconsin Dells, 1943