Map showing areas formerly covered by glacial lakes of Northern Minnesota, Northern Wisconsin, and Northern Peninsula of Michigan
Wedi'i Gadw mewn:
| Prif Awdur: | |
|---|---|
| Fformat: | Map |
| Iaith: | Saesneg |
| Cyhoeddwyd: |
U. S. Geological Survey
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| Tagiau: |
Dim Tagiau, Byddwch y cyntaf i dagio'r cofnod hwn!
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Byddwch y cyntaf i adael sylw!