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The CHICKASAW BLUFF is the high ground rising about 50 to 200 feet (20–60 m ) above the flood plain between Fulton in Lauderdale County , Tennessee
Tennessee
and Memphis in Shelby County , Tennessee.

This elevation, shaped as four bluffs, is named for the Chickasaw people. Known in the 19th century as one of the Five Civilized Nations in the Southeast, they occupied much of this area in western Tennessee and Mississippi. By their control of the bluffs, they could impede French river traffic in the 18th century when the peoples were at war.

CONTENTS

* 1 Location * 2 Geology

* 3 Human history

* 3.1 Fort Prudhomme

* 4 See also * 5 References

LOCATION

The Chickasaw
Chickasaw
Bluffs were numbered by rivermen from one to four, starting from the north.

BLUFF LOCATION (NORTH TO SOUTH) COUNTY ELEVATION COORDINATES (APPROX.)

First Above Fulton Lauderdale 90 m (295 ft) 35°37′26″N 89°52′12″W / 35.624°N 89.870°W / 35.624; -89.870 (First Chickasaw
Chickasaw
Bluff)

Second At Randolph Tipton 96 m (315 ft) 35°30′58″N 89°53′17″W / 35.516°N 89.888°W / 35.516; -89.888 (Second Chickasaw
Chickasaw
Bluff)

Third Meeman-Shelby Forest State Park Tipton and Shelby 68 m (223 ft) 35°22′16″N 90°03′54″W / 35.371°N 90.065°W / 35.371; -90.065 (Third Chickasaw
Chickasaw
Bluff)

Fourth Below the mouth of the Wolf River at Memphis Shelby 103 m (337 ft) 35°08′28″N 90°03′18″W / 35.141°N 90.055°W / 35.141; -90.055 (Fourth Chickasaw
Chickasaw
Bluff)

GEOLOGY

The Chickasaw
Chickasaw
Bluffs are a relatively recent feature. They were formed from pleistocene loess (wind-blown) silt. This loess can be as thick as 70 feet and it generally tapers off as one moves eastward. The loess accumulated on top of fluvial deposits from the pliocene . These primarily consist of terrace gravels deposited from glacial runoff. Because of this, the bluffs are slide-prone, especially during seismic activity. The bluffs are characterized by very steep valleys and have higher gradient streams than areas to the east or west. Along the western edges facing the river or alluvial plains, they bluffs form nearly vertical cliffs. In Memphis, these edges have been smoothed out in the downtown area.

Although the Chickasaw
Chickasaw
Bluffs refer to the four numbered formations in Tennessee, the geological feature stretches from Hickman, Kentucky to around Baton Rouge, Louisiana
Baton Rouge, Louisiana
. They do not form a continuous band, as they are split by river valleys such as the Obion River , Forked Deer River , Hatchie River , Loosahatchie River , Wolf River , Coldwater River , and Tallahatchie River .

It is theorized that Crowley\'s Ridge in Arkansas was part of the Chickasaw
Chickasaw
Bluff formation before the previous ice age when the prehistoric courses of the Ohio River
Ohio River
and Mississippi River
Mississippi River
carved a path between the two. Crowley's Ridge has the same composition as the Chickasaw
Chickasaw
Bluffs and has similar topography.

HUMAN HISTORY

The fourth Chickasaw
Chickasaw
Bluff was the site of the French Fort Assumption , used as a base against the Chickasaw
Chickasaw
in the abortive Campaign of 1739 . The Chickasaw
Chickasaw
Bluff secured Memphis from river floods, while a rare shelf of sandstone below provided a secure boat landing, making this the "only site for a commercial mart" between the Ohio River
Ohio River
and Vicksburg, Mississippi . This location was also the meeting place of d\'Artaguette , Chicagou and de Vincennes before their ill fated 1736 attack against the Chickasaw
Chickasaw
.

FORT PRUDHOMME

Main article: Fort Prudhomme Second Chickasaw
Chickasaw
Bluff in Tipton County

The French built their Fort Prudhomme , or Prud'homme, at one of the Chickasaw
Chickasaw
Bluffs in 1682. René-Robert Cavelier, Sieur de La Salle (1643–87) was a French explorer. In 1682, La Salle led a canoe expedition to explore the Mississippi River
Mississippi River
basin. The expedition landed to hunt, when one of their members went missing. The armorer Pierre Prudhomme was assumed captured by Chickasaw
Chickasaw
Indians .

La Salle decided to stay and search for the missing member. La Salle had a stockade built and named it Fort Prudhomme , after their lost man. This was the first structure built by the French in Tennessee. Days later, the missing man found his way back to La Salle. Prudhomme had lost his way while hunting. The expedition reached the mouth of the Mississippi River
Mississippi River
on April 6, 1682.

The exact location of Fort Prudhomme is unknown. Researchers agree that it was located on the Chickasaw
Chickasaw
Bluffs but the site is disputed. Some historians claim that Fort Prudhomme was built on the first Chickasaw
Chickasaw
Bluff, in modern day Lauderdale County . The Tennessee Encyclopedia of History and Culture suggests that the fort was constructed on the second Chickasaw
Chickasaw
Bluff near modern-day Randolph. Other research mentions the third Chickasaw
Chickasaw
Bluff as the location of the fort, at the border of modern Tipton and Shelby counties. The fourth Chickasaw
Chickasaw
Bluff in modern Shelby County at Memphis is also supported as a site of Fort Prudhomme.

SEE ALSO

* Fort Pillow State Park

REFERENCES

Wikimedia Commons has media related to CHICKASAW BLUFF .

* ^ A B Knox, Ray (1995). The New Madrid Fault Finders Guide. Gutenberg Richter Publications. p. 57. ISBN 978-0-934426-42-8 . * ^ A B Safford, James (1869). The Geology of Tennessee. S. C. Mercer, Nashville. pp. 112–113. OCLC 01448824. * ^ "Google Maps". Google.com. Retrieved 2009-02-19. * ^ Pierson, Uriah (1873). James' River Guide. U. P. James, Cincinnati. pp. 33–36. OCLC 05153739. * ^ A B C Magness, Perre (1998). "TN Encyclopedia: Fort Prudhomme and La Salle". The Tennessee
Tennessee
Encyclopedia of History and Culture. Retrieved 12 January 2009. * ^ A B Parkman, Francis; Levin, David (1983). France and England in North America. Library of America. p. 921. ISBN 0-940450-10-0 . * ^ Tennessee: A Guide to the State. US History Publishers. 1978 . p. 422. ISBN 1-60354-041-5 . * ^ Conard, Howard Louis (1901). Encyclopedia of the History of Missouri: A Compendium of History and Biography for Ready Reference. The Southern History Company, Haldeman, Conard & Co., Proprietors. p. 492. * ^ " Mississippi River
Mississippi River
Corridor - Historical and Cultural Amenities". Mississippi River
Mississippi River
Corridor, Tennessee. 2008. Archived from the original on 25 July 2008. Retrieved 12 January 2009. * ^ Kellogg, Louise Phelps (1917). Early Narratives of the Northwest, 1634-1699. New York, N.Y. : C. Scribner\'s Sons . p. 297. * ^ "Encyclopedia.com - Tennessee
Tennessee
Information - The Columbia Encyclopedia, Sixth Edition". Columbia University Press. 2008. Retrieved 12 January 2009. * ^ Phelan, James (1888). History of Tennessee: The Making of a State. Boston
Boston
, Massachusetts
Massachusetts
: Houghton, Mifflin and Company. pp. 307–308, 313.

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