File:USGS Lake Superior syncline.png
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![File:USGS Lake Superior syncline.png](https://upload.wikimedia.org/wikipedia/commons/thumb/5/5a/USGS_Lake_Superior_syncline.png/800px-USGS_Lake_Superior_syncline.png?20170507161813)
本预览的尺寸:800 × 539像素。 其他分辨率:320 × 216像素 | 640 × 432像素 | 1,007 × 679像素。
原始文件 (1,007 × 679像素,文件大小:603 KB,MIME类型:image/png)
分类:
- 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