Monongahela River

Definition and stakes

by John Marshall Harlan,  President Managers and Company of the Monongahela Bridge Company v…

“ Is there good reason to believe that a bridge that prevents the better class of towboats actually navigating the Monongahela river, the commerce of which stream is about 10,000,000 tons annually, from passing under it for 17.7 days per year, and prevents the packets actually navigating said stream from passing under it for 52.1 days per year, all as determined by the official records kept by the United States, an unreasonable obstruction to navigation? ”
Source: Wikisource

I. C. White,  Origin of the high terrace deposits of the Monongahela River (1896)

“ The surrounding hills are made up of the soft shales of the Barren or Elk River coal measures, and it is in just such a sheltered bayou back from the main channel of the river that we would expect to find such deposits in lake Monongahela.
A fine quality of clay for common blue stoneware, or crockery, is always found among these deposits where any considerable stream empties into the Monongahela from the west (soft rock areas) , while sand and boulders predominate at the mouths of those streams draining from the east (mountain or sand-rock areas) .
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Source: Wikisource

I. C. White,  Origin of the high terrace deposits of the Monongahela River (1896)

“ The rapid descent of the modern river below the old rock floor of the ancient one gives rise to the steep slopes and gorge-like character of the Monongahela valley every where between Weston and Pittsburg, while the same is true of the lower courses of all the larger tributary streams, the descent in these being very rapid in the last few miles of their courses, while in their upper reaches the slope is gentle and the topography much older looking. ”
Source: Wikisource

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