| 11. | The Ohikanui River is a medium-sized tributary consisting of a bouldery river bed and clear swift water.
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| 12. | For most of its length, Rough Run is on a glacial till known as the Wisconsinan Bouldery Till.
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| 13. | The Wisconsinan Till Moraine occurs near the stream in its lower reaches, as does the Wisconsinan Bouldery Till.
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| 14. | However, glacial or resedimented tills such as Wisconsinan Till and Wisconsinan Bouldery Till also occur near the stream.
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| 15. | The river flows northwest from there and just as it is turning northeast it tumbles over very bouldery Boulder Falls.
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| 16. | Its bouldery nature is perhaps what protected the woodland over the centuries as surrounding land was cleared for human use.
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| 17. | For most of its lower reaches, Chimneystack Run flows over a glacial till known as the Wisconsinan Bouldery Till.
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| 18. | Most of the valley of Long Run is on a glacial or resedimented till known as the Wisconsinan Bouldery Till.
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| 19. | Wisconsinan Bouldery Till and Wisconsinan Till Moraine also occurs in the vicinity of the creek, especially near its headwaters.
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| 20. | A significant portion of the lower reaches of Peterman Run is on a glacial till known as the Wisconsinan Bouldery Till.
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