File:USGS Lake Superior syncline.png
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Size of this preview: 800 × 539 pixels. Other resolutions: 320 × 216 pixels | 640 × 432 pixels | 1,007 × 679 pixels.
Original file (1,007 × 679 pixels, file size: 603 KB, MIME type: image/png)
Categories:
- Geological maps of North America
- Keweenaw Peninsula
- Geological maps of Michigan
- Geological maps of Isle Royale National Park
- Geology of Michigan
- Geology of Wisconsin
- Geology of Minnesota
- Geology of Ontario
- Maps of synclines
- Copper Harbor Conglomerate
- Portage Lake Volcanic Series maps
- Cambrian sandstone
- Faults in North America
- Cambrian sandstone in Ontario