The Purdue Earth and Atmospheric Sciences Map Room contains over 200,000 maps. We also hold over 100,000 aerial photographs. They are of the Wabash River Valley, taken in 1929. Canadian online maps Central Indiana Electronic Atlas -repository of spatially referenced data for the Indianapolis Metropolitan Statistical Area. Consists of Boone, Hamilton, Hancock, Hendricks, Johnson, Madison, Marion, Morgan and Shelby Counties.
Maps are searchable by place names as well as latitude and longitude.