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Aerial Photography - State Sources

Department of Natural Resources


Department of Transportation

If your area of interest is within a quarter- or a half-mile of a state highway, chances are good that the Minnesota Department of Transportation will have photo coverage. MnDOT's photos are usually taken at low altitude to be detailed enough for engineering purposes. The typical scale is 1" = 250'; other scales include 1" = 500' and 1" = 800'. Minnesota airports also have photo coverage at a a scale of 1" = 1200'. The photos may be taken either spring or fall.

MnDOT's archives contain some film dating back to the late 1950s and some prints dating back to the 1930s. Prints can be ordered at the standard 9" x 9" size or up to 4 times enlargement. Indexes of all MnDOT photos can be viewed at MnDOT's Air Photo Library, Photogrammetrics Unit, 7th Floor Transportation Building, 395 John Ireland Blvd., St. Paul 55155.

For more information, see MnDOT's Photogrammetrics website.
 


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