Ecoregions of Nebraska and Kansas 104° 103° 102° 101° 100° 99° 98° 97° 96° 95° 25 er e iv 43 Mi 43 25 hit R sso J 25 Western High Plains uth Fork W 42 u r am So i Ri r ve es R 46 43° r e i v v i 25a Pine Ridge Escarpment 43° e r R 44 SOUTH DAKOTA x 25b Rolling Sand Plains r Lewis and u e o 43g iv i R 43h 44d Clark Lake S e r it Rive 42g g 25c Moderate Relief Rangeland h rara 43i i 43h W iob Valentine 42g B Chadron N 42h 25d Flat to Rolling Cropland 43r 44a 44d 25e Rolling Cropland and Range 25a 25f Scotts Bluff and Wildcat Hills El kh 42p South or n Rive Sioux City 25g Sandy and Silty Tablelands rO'Neill 47d N 47k M G 25h North and South Platte Valley o i N 44d r s I 25g 44d 44c t s C h o M a F u and Terraces l lkh r O 25d 44b a k E or o m or n r i Y k u F R s So t h E i W u Ri lk v Alliance ve h e r 47l o r r 42° 26 Southwestern Tablelands n 42° Norfolk Thedford 26a Cimarron Breaks No Scottsbluff rt h Lou p 26b Flat Tablelands and Valleys N R Calamus Dism i E or al Riv ve th er r Reservoir l 47 Pl 25f k 25f att h e R o 47d iver r 27 Central Great Plains n R M iver iddle 27a Smoky Hills Loup 44a R i 25h v N 47j e o 27b Rolling Plains and Breaks r r Fremont th 25f Columbus L 27c Great Bend Sand Prairie ou S p r o R ive ut i p R 27d Wellington-McPherson Lowland Lake h L v ou ou 27e er L McConaughy p R Omaha iv Loup 27e Central Nebraska Loess Plains 25d er Sidney North Platte City 25c iver 27f Rainwater Basin Plains e R 41° 27g Pl tt 41° 25h a 27g Platte River Valley Grand Island 47h 25d 44a 28 Flint Hills Pla iver r tte R Nebraska City 28 Flint Hills e R rk B ue Lincoln iv iv st Fo ig B l L R er Kearney We it e 25b tle IOWA tt la B N i em g a P h MISSOURI h a 29 Central Oklahoma/Texas Plains t B u o Hastings l N R S u or iv e th er 29a Cross Timbers F R or i k 27f v B er ig N Beatrice e 39 Ozark Highlands publican m Re Rive a McCook r ha 25b 47i River Falls 39a Springfield Plateau 25c City 40° 25d emaha River N 40 Central Irregular Plains 40° NEBRASKA g i B 40b Osage Cuestas KANSAS k F 25d S 25d 40c Wooded Osage Plains 40d Cherokee Plains 25 ver mon Ri Atchison h Fork Solo 40 Nort 42 Northwestern Glaciated Plains r ve Ri mon Rive 42g Ponca Plains O olo r rk Republican uth Fork S Leavenworth o D So h F t A Goodland 42h Southern River Breaks u 27a M So R i r O ssour ve L 25d i Ri 42p Holt Tablelands S Manhattan O 27b o Kansas C l o S m City al ine R o Ka iver n ns as er 39° 43 Northwestern Great Plains R Topeka Riv 39° ive 25c r Lawrence 43g Semiarid Pierre Shale Plains 25d Hays 43h White River Badlands Salina 43i Keya Paha Tablelands Sm oky Hill River ygnes Riv 43r Niobrara River Breaks des C er is a Ma r 44 Nebraska Sand Hills Cheyenne 40b Bottoms 25d Emporia 44a Sand Hills 40c 44b Alkaline Lakes Area Great McPherson Bend 28 44c Wet Meadow and Marsh Plain 44d Lakes Area L i t 38 t ° l 38° e er Hutchinson A v r i e r Garden City v k R i a 47 Western Corn Belt Plains 25c R 27c n s s a a Fort Scott s s n 47d Missouri Alluvial Plain R a N 25c k i r v t e 26 e El Dorado 25b A u o Dodge City r ln s 47h Nebraska/Kansas Loess Hills a V h W e o R Pratt rd i Wichita ig ve 47i Loess and Glacial Drift Hills r r i s 25d N R 47j Lower Platte Alluvial Plain r inn i e esc v iv a e h R r R i 47k Northeastern Nebraska Loess Hills n 27d ve o r r r r Me ve a di Medicine 40d i 47l Transitional Sandy Plain m ci R i ne L Lodge Independence rk C 25e odg N o 26b e R ort h F iv 26b 29a 25b er 25b 26b 26a 39a Level III ecoregion 26a g 37° n 25b Liberal 25b i Level IV ecoregion 37° 26b r 39 26b p 25c 25b S NEW MEXICO C imarron River C r OKLAHOMA 28 40 County boundary 21 im ive 26 27 29 arron R 27 State boundary 98 97 96 INTERIOR—G EOLOG ICAL S U RVEY, RES TON, VIRG INIA—2001 103° 102° 101° 100° 99° ° ° ° 95°.