Editing Tennessee (section)

===Hydrology===
Tennessee is drained by [[List of rivers in Tennessee|three major rivers]], the [[Tennessee River|Tennessee]], [[Cumberland River|Cumberland]], and [[Mississippi River|Mississippi]]. The Tennessee River begins at the juncture of the [[Holston River|Holston]] and [[French Broad River|French Broad]] rivers in Knoxville, flows southwest to Chattanooga, and exits into Alabama before reemerging in the western part of the state and flowing north into Kentucky.<ref name=loc39>{{cite web |url=https://www.loc.gov/item/2008628288 |title=Tennessee Valley Area: pictorial map |author=<!--Not stated--> |date=1939 |publisher=U.S. Government Printing Office |access-date=June 23, 2020 |via=Library of Congress}}</ref> Its major tributaries include the [[Clinch River|Clinch]], [[Little Tennessee River|Little Tennessee]], [[Hiwassee River|Hiwassee]], [[Sequatchie River|Sequatchie]], [[Elk River (Tennessee River tributary)|Elk]], [[Beech River|Beech]], [[Buffalo River (Tennessee)|Buffalo]], [[Duck River (Tennessee)|Duck]], and [[Big Sandy River (Tennessee)|Big Sandy]] rivers.<ref name=loc39/> The Cumberland River flows through the north-central part of the state, emerging in the northeastern Highland Rim, passing through Nashville, turning northwest to Clarksville, and entering Kentucky east of the Tennessee River.<ref name=tdeccumberland>{{cite web|url=https://www.tn.gov/environment/program-areas/wr-water-resources/watershed-stewardship/watersheds-by-basin/cumberland-river-basin-barren-river-watershed.html|title=Cumberland River Basin & Barren River Watershed|author=<!--Not stated-->|website=tn.gov|publisher=Tennessee Department of Environment and Conservation|access-date=June 23, 2020|archive-date=August 7, 2020|archive-url=https://web.archive.org/web/20200807155037/https://www.tn.gov/environment/program-areas/wr-water-resources/watershed-stewardship/watersheds-by-basin/cumberland-river-basin-barren-river-watershed.html|url-status=dead}}</ref> Its principal branches in Tennessee are the [[Obey River|Obey]], [[Caney Fork River|Caney Fork]], [[Stones River|Stones]], [[Harpeth River|Harpeth]], and [[Red River (Cumberland River tributary)|Red]] rivers.<ref name=tdeccumberland/> The Mississippi River drains nearly all of West Tennessee.<ref name=tdecms>{{cite web|url=https://www.tn.gov/environment/program-areas/wr-water-resources/watershed-stewardship/watersheds-by-basin/mississippi-river-basin.html|title=Mississippi River Basin|author=<!--Not stated-->|website=tn.gov|publisher=Tennessee Department of Environment and Conservation|access-date=June 23, 2020|archive-date=June 23, 2020|archive-url=https://web.archive.org/web/20200623141233/https://www.tn.gov/environment/program-areas/wr-water-resources/watershed-stewardship/watersheds-by-basin/mississippi-river-basin.html|url-status=dead}}</ref> Its tributaries are the [[Obion River|Obion]], [[Forked Deer River|Forked Deer]], [[Hatchie River|Hatchie]], [[Loosahatchie River|Loosahatchie]], and [[Wolf River (Tennessee)|Wolf]] rivers.<ref name=tdecms/> The [[Tennessee Valley Authority]] (TVA) and the [[U.S. Army Corps of Engineers]] operate many hydroelectric dams on the Tennessee and Cumberland rivers and their tributaries, which form large reservoirs throughout the state.{{sfn|Corlew|Folmsbee|Mitchell|1981|pp=12–13}}

About half the state's land area is in the [[Tennessee Valley]] drainage basin of the Tennessee River.<ref name=loc39/> The Cumberland River basin covers the northern half of Middle Tennessee and a small portion of East Tennessee.<ref name=tdeccumberland/> A small part of north-central Tennessee is in the [[Green River (Kentucky)|Green River]] watershed.<ref>{{cite web|url=https://www.tn.gov/environment/program-areas/wr-water-resources/watershed-stewardship/watersheds-by-basin/cumberland-river-basin---barren-river-watershed/barren-river-watershed.html|title=Barren River Watershed|author=<!--Not stated-->|website=tn.gov|publisher=Tennessee Department of Environment and Conservation|access-date=June 23, 2020|archive-date=August 7, 2020|archive-url=https://web.archive.org/web/20200807145208/https://www.tn.gov/environment/program-areas/wr-water-resources/watershed-stewardship/watersheds-by-basin/cumberland-river-basin---barren-river-watershed/barren-river-watershed.html|url-status=dead}}</ref> All three of these basins are tributaries of the [[Ohio River]] watershed. Most of West Tennessee is in the [[Lower Mississippi River]] watershed.<ref name=tdecms/> The entirety of the state is in the [[Mississippi River#Watershed|Mississippi River watershed]], except for a small sliver near the southeastern corner traversed by the [[Conasauga River]], which is part of the [[Mobile Bay]] watershed.<ref>{{cite journal|last=Carey|first=Bill|date=October 2017|title=Conasauga River nearly became important in Tennessee history|url=https://www.tnmagazine.org/conasauga-river-nearly-became-important-tennessee-history/|journal=Tennessee Magazine|access-date=June 23, 2020|url-access=<!--WP:URLACCESS-->}}</ref>