EraDrag across the decades to brush a range
The short version The archive turns up 152 records, most of them around Chicago, Illinois and United States. 66 are confidently dated; the other 86 are educated guesses — about as precise as it sounds. 151 are free to use; 1 is restricted.
General Motors Parade of Progress Lightweight Train Exhibition, 1950s
1953–1959
Children's Outdoor Pageant, Summer 1950s
1952–1959 · Chicago, Illinois
Euclid Division of General Motors Exhibit, Trade Show, 1950s
1954–1959
Swimmers in Towed Rope Line, Lake or Sound, 1950s
1945–1965
Army Tanks and Engineer Equipment on Display, General Motors Pavilion
1955–1959 · United States
Three Women at Allison Division / General Motors Exhibit, 1950s Air Show
1953–1958
Spectators Watching Race Car on High-Altitude Mountain Road, c. 1960s
1958–1972
Institutional Birthday Party, 1950s
1950–1959
certain
inferred
low confidence