![File:Superior upland.jpg](https://upload.wikimedia.org/wikipedia/commons/a/ab/Superior_upland.jpg)
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Summary
Geological map of the Superior Upland region in the United States. Lake waters are shown as black.
Source: The Superior Upland archive copy at the Wayback Machine, The North American Tapestry of Time and Terrain, National Atlas of the United States.
Licensing
Public domainPublic domainfalsefalse
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https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment |
current | 03:27, 15 June 2007 | ![Thumbnail for version as of 03:27, 15 June 2007](https://upload.wikimedia.org/wikipedia/commons/thumb/a/ab/Superior_upland.jpg/120px-Superior_upland.jpg) | 400 × 302 (40 KB) | commons>Avenue | |
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