| 21. | A gristmill and other structures were built in the area.
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| 22. | Early sawmills and gristmills gave way to large textile and paper mills.
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| 23. | Waters expanded his operations with a sawmill, gristmill and blacksmith shop.
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| 24. | After the war Anderson converted the mill to a gristmill.
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| 25. | Thereafter, they become real Gristmills during the 18th century.
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| 26. | Sawmills and gristmills operated by water power at the streams.
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| 27. | The river also produced enough energy to power saw mills and gristmills.
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| 28. | Settlers moved to the area later to set up farms and gristmills.
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| 29. | The ponds of Gowanus meadowlands served to drive gristmills of early settlers.
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| 30. | McKay built a sawmill and a gristmill on land there.
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