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Image galleries
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Site Images
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Geology Safari
Downtown St. Paul
Eroding sandstone
Hinckley sandstone showing ripple marks
Layers of sandstone
Limestone building stone
Minnesota and Mississippi river valleys
Morton gneiss
Morton gneiss (closeup)
Saint Paul geology sculpture
Sedimentary rocks near Wabasha bridge
St. Peter Sandstone
Summit avenue house with sandstone bricks
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