Negatives, numbers 63-3470 -- 64-1402, Audio-visual materials. 1923-1990.
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Minnesota. Department of Transportation.
http://n2t.net/ark:/99166/w6dm0zt3 (corporateBody)
The Minnesota Department of Transportation was created in 1976 when the legislature merged the former departments of highways and aeronautics, as well as portions of the Department of Public Service and the transportation-related functions of the State Planning Agency (Laws 1976 c166). The department develops and implements policies, plans, and programs for aeronautics, highways, motor carriers, ports, public transit, railroads, and pipelines. The department constructs, maintains, a...