![Sign at the entrace to Pipestone National Monument on 111th Street in Pipestone, Minnesota](thumbs/pipe_9594.jpeg)
1. Entrance to Pipestone NM |
![View looking across a broad expanse of tall-grass prairie in Pipestone National Monument.](thumbs/pipe_9598.jpeg)
2. Tall-grass prairie
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![View of a lake in a flooded quarry in Pipestone National Monument.](thumbs/pipe_9602.jpeg)
3. Quarry lake in park |
![Precambrian-age Souix Quartzite Formation exposed along a quarry wall next to the lake in Pipestone National Monument.](thumbs/pipe_9606.jpeg)
4. Quartzite in quarry wall
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![Three large boulders of granite (glacial erratics) in a grassy lawn area next to the quarry lake in Pipestone National Monument.](thumbs/pipe_9599.jpeg)
5. Three Sister (boulders)
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![One of the Three Sisters, large glacial erratic granite boulder.](thumbs/pipe_9600.jpeg)
6. Glacial erratic (granite)
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![Two of the Three Sisters, large glacial erratics granite boulders.](thumbs/pipe_9608.jpeg)
7. Glacial erratics
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![Two of the Three Sisters, large glacial erratics granite boulders.](thumbs/pipe_9609.jpeg)
8. Glacial erratics
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![Close-up view of the coarse crystalline granite in a glacial erratic in Pipestone National Monument.](thumbs/pipe_9613.jpeg)
9. Coarse-crystalline granite |
![Finely laminated and crossbedded layers in the colorful (reds) Souix Quartzite Formation of Precambrian age exposed in an outcrop along the park loop trail in Pipestone National Monument.](thumbs/pipe_quartzite.jpeg)
10. Souix Quartzite
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![Exampes of Souix Quartzite and Pipestone (catlinite) on display in the park Visitor Center.](thumbs/pipe_9621.jpeg)
11. Quartzite and catlinite
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![An exhibit showing tools and work space of for a pipestone artist in the Visitor Center at Pipestone National Monument.](thumbs/pipe_9626.jpeg)
12. Visitor Center exhibit
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![An exhibit of catlinite working, pipes and tools, on display in the Visitor Center.](thumbs/pipe_9696c.jpeg)
13. Pipe-making display
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![Examples of crated pipes and stone art object in a display in the Visitor Center.](thumbs/pipe_9696d.jpeg)
14. Pipe-making display
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![A pinnacle of Souix Quartzite in the woods along the loop trail from the Visitor Center.](thumbs/pipe_9696.jpeg)
15. Pinnacle along park trail |
![An outcrop of Souix Quartzite know as 'The Oracle' because of its face-like appearance.](thumbs/pipe_9696b.jpeg)
16. The "Oracle" outcrop.
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![A park display illustrating the layers in a quarry where pipestone (catlinite) comes from.](thumbs/pipe_9631.jpeg)
17. Quarry layers exhibit |
![Entrance to one of the small historic quarries along the loop trail from the Visitor Center.](thumbs/pipe_9632.jpeg)
18. Historic pipestone quarry
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![View of the maintained trail from the Visitor Trail.](thumbs/pipe_9656.jpeg)
19. Trail from Visitor Center
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![Massive outcrop of Souix Quartzite along the park loop trail.](thumbs/pipe_9657.jpeg)
20. Quartzite outcrop
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![View of part of the loop trail as it passes along outcrops of Souix Quartzite.](thumbs/pipe_9660.jpeg)
21. Trail from Visitor Center |
![View of part of the loop trail as it passes along the outcrop belt of of Souix Quartzite.](thumbs/pipe_9664.jpeg)
22. Quartzite outcrops by trail
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![View of the colorful (reds, yellows, and grays) of the cross-bedded Souix Quartzite. Green lichens grow on the lower part of the outcrop.](thumbs/pipe_9671.jpeg)
23. Souix Quartzite
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![View of the top of a quartzite outcrop near a spring on a short side trail off the park's loop trail.](thumbs/pipe_9674.jpeg)
24.Top of quartzite outcrop
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![View looking downstream at grassy meadows, wetlands and riparian habitats along Pipestone creek.](thumbs/pipe_9678.jpeg)
25. Riparian habit along trail |
![View of the Souix Quartzite escarpment that includes The Oracle (shown in Figure 16).](thumbs/pipe_9683.jpeg)
26. View of "Oracle" outcrop
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![Winnewissa Falls on Pipestone Creek tumbles off the Souix Quartzite escarpment.](thumbs/pipe_9689.jpeg)
27. Winnewissa Falls
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![Winnewissa Falls on Pipestone Creek tumbles off the Souix Quartzite escarpment near an overlook along the park's loop trail.](thumbs/pipe_9694.jpeg)
28. Winnewissa Falls
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![Oak and riparian forest along Pipestone Creek near the Visitor Center loop trail.](thumbs/pipe_9702.jpeg)
29. Riparian forest along trail |
![Entrance to a side trail to the 'Spotted Quarry' along the loop trail.](thumbs/pipe_9708.jpeg)
30. Sign for Spotted Quarry
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![View of Pipestone Creek along the loop trail that starts at the Visitor Center.](thumbs/pipe_9709.jpeg)
31. Pipestone Creek
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![Historic Fort Pipestone is located near the park entrance, but is not part of the National Monument.](thumbs/pipe_9620.jpeg)
32. Historic Fort Pipestone
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