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Boston Mountains

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Title: Boston Mountains  
Author: World Heritage Encyclopedia
Language: English
Subject: Arkansas, Ozarks, Geography of Arkansas, Fayetteville, Arkansas, Washington County, Arkansas
Collection: Landforms of Adair County, Oklahoma, Landforms of Boone County, Arkansas, Landforms of Carroll County, Arkansas, Landforms of Cherokee County, Oklahoma, Landforms of Cleburne County, Arkansas, Landforms of Conway County, Arkansas, Landforms of Crawford County, Arkansas, Landforms of Franklin County, Arkansas, Landforms of Independence County, Arkansas, Landforms of Johnson County, Arkansas, Landforms of Madison County, Arkansas, Landforms of Muskogee County, Oklahoma, Landforms of Newton County, Arkansas, Landforms of Pope County, Arkansas, Landforms of Searcy County, Arkansas, Landforms of Sequoyah County, Oklahoma, Landforms of Stone County, Arkansas, Landforms of the Ozarks, Landforms of Van Buren County, Arkansas, Landforms of Wagoner County, Oklahoma, Landforms of Washington County, Arkansas, Mountain Ranges of Arkansas, Mountain Ranges of Oklahoma, Physiographic Sections
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Boston Mountains

Location of the Boston Mountains
Buffalo River from river trail overlook near Steel Creek in the Boston Mountains

The Boston Mountains area is a high and deeply dissected plateau located in northern Arkansas and eastern Oklahoma. The Oklahoma portion of the range is locally referred to as the Cookson Hills. The rocks of the region are essentially little disturbed, flat-lying sedimentary layers of the Paleozoic age. The highest ridges and peaks are capped by Pennsylvanian sandstone and shale. The deeply eroded valleys are cut into Mississippian limestones and below that layer Ordovician dolomites.

The Boston Mountains form the southwestern part of the Ozark plateau where they are the highest, most rugged, and least denuded portion of the Ozarks owing to their young age relative to the other sections. Summits can reach elevations of just over 2,560 feet with valleys 500 to 1,550 feet deep. Turner Ward Knob (TWK) is the highest named peak. Located in western Newton County, Arkansas, its elevation is 2,463 feet (751 m). Nearby, five unnamed peaks have elevations at or slightly above 2,560 feet (780 m). Two of these highest peaks are located 2.2 miles west of Turner Ward Knob, one being the location of the Buffalo Lookout fire tower at 2,561 feet (781 m).[1] The other three highest peaks are located 4–5 miles southsouthwest of Turner Ward Knob along Arkansas Highway 16.[1][2][3]

The Boston Mountains are the source of rivers and streams that flow out from the mountains in all directions. Within a 3-mile radius of a point just west of the summits discussed above are located the sources of the White River, the Buffalo River, the Kings River, War Eagle Creek, and Little Mulberry Creek. Other rivers and streams having their headwaters in the Boston Mountains include the Illinois River, the Mulberry River, Lee Creek, Frog Bayou, Big Piney Creek, Illinois Bayou, and the Little Red River. To the south, the Arkansas River valley separates the Boston Mountains from the Ouachita Mountains.

In Arkansas, the Boston Mountains are found in the following counties: Boone, Carroll, Cleburne, Conway, Crawford, Franklin, Independence, Johnson, Madison, Marion, Newton, Pope, Searcy, Stone, Van Buren, and Washington.

In Oklahoma, the Boston Mountains are found in these counties: Adair, Cherokee, Muskogee, Sequoyah, and Wagoner.

Contents

  • Geology and physiography 1
  • Gallery 2
  • See also 3
  • References 4
  • External links 5

Geology and physiography

The Boston Mountains are a physiographic section of the larger Ozark Plateaus province, which in turn is part of the larger Interior Highlands physiographic division.[4]

The area is underlain by Pennsylvanian sandstone, shale, and siltstone, where some folding and faulting has occurred.[5] The sandstone beds become thinner, but more shaly in the west as the mountains decline in elevation.[6]

Gallery

See also

References

  1. ^ a b Fallsville, Arkansas, 7.5 Minute Topographic Quadrangle, USGS, 1967
  2. ^ Boston, Arkansas, 7.5 Minute Topographic Quadrangle, USGS, 1973
  3. ^ [NAD83 geographic coordinates for TWK are N35.8631°, W093.4544°. Coordinates for the 5 unnamed highest peaks are N35.8637°, W093.4931° (Buffalo Lookout); N35.8607°, W093.4935°; N35.8151°, W093.4968°; N35.8126°, W093.4984°; and N35.7990°, W093.5005°]
  4. ^ "Physiographic divisions of the conterminous U. S.". U.S. Geological Survey. Retrieved 2007-12-06. 
  5. ^ "Designing A Future For Arkansas Wildlife". State of Arkansas. Retrieved 2007-12-30. 
  6. ^ Bowman, Isaiah (1911). Forest Physiography: Physiography of the United States and Principles of Soils in Relation to Forestry. J. Wiley & sons. p. 453. 

External links

  • Boston Mountain MLRA description.
  • Encyclopedia of Oklahoma History and Culture - Boston Mountains
  • U.S. Geological Survey Geographic Names Information System: Boston Mountains

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