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High Quality Content by WIKIPEDIA articles! In geomorphology, a fall line marks the area where an upland region and a coastal plain meet. Technically, a fall line is an unconformity. A fall line is typically prominent when crossed by a river, for there will often be rapids or waterfalls. Many times a fall line will recede upstream as the river cuts out the uphill dense material, often forming c -shaped waterfalls. Because of these features riverboats typically cannot travel any farther inland without portaging, unless locks are built there. On the other hand, the rapid change in elevation of…mehr

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High Quality Content by WIKIPEDIA articles! In geomorphology, a fall line marks the area where an upland region and a coastal plain meet. Technically, a fall line is an unconformity. A fall line is typically prominent when crossed by a river, for there will often be rapids or waterfalls. Many times a fall line will recede upstream as the river cuts out the uphill dense material, often forming c -shaped waterfalls. Because of these features riverboats typically cannot travel any farther inland without portaging, unless locks are built there. On the other hand, the rapid change in elevation of the water, and the resulting energy release, makes the fall line a good location for water mills, grist mills, and sawmills.