Border
|
Counties
|
Delaware-Pennsylvania
|
New Castle | Delaware | Chester
|
Maryland-Delaware
|
Cecil | Kent | Queen Anne's | Caroline | Dorchester | Wicomico | Worcester | New Castle | Kent | Sussex
|
Tennessee-Kentucky
|
Lake | Obion | Weakley | Henry | Stewart | Montgomery | Robertson | Sumner | Macon | Clay | Pickett | Scott | Campbell | Claiborne | Fulton | Hickman | Graves | Calloway | Trigg | Christian | Todd | Logan | Simpson | Allen | Monroe | Cumberland | Clinton | Wayne | McCreary | Whitley | Bell
|
Missouri-Kentucky
|
Mississippi | New Madrid | Ballard | Carlisle | Hickman | Fulton
|
Nebraska-South Dakota
|
Dakota | Dixon | Cedar | Knox | Boyd | Keya Paha | Cherry | Sheridan | Dawes | Sioux | Union | Clay | Yankton | Bon Homme | Charles Mix | Gregory | Tripp | Todd | Bennett | Oglala Lakota | Fall River
|
Idaho-Montana
|
Boundary | Bonner | Shoshone | Clearwater | Idaho | Lemhi | Clark | Fremont | Gallatin | Madison | Beaverhead | Ravalli | Missoula | Mineral | Sanders | Lincoln
|
West Virginia-Maryland
|
Jefferson | Berkeley | Morgan | Hampshire | Mineral | Grant | Tucker | Preston | Washington | Allegany | Garrett
|
Kentucky-West Virginia
|
Pike | Martin | Lawrence | Boyd | Mingo | Wayne
|
Rhode Island-Massachusetts
|
Providence | Bristol | Newport | Worcester | Norfolk | Bristol
|
Tennessee-Georgia
|
Polk | Bradley | Hamilton | Marion | Fannin | Murray | Whitfield | Catoosa | Walker | Dade
|
Iowa-Illinois
|
Dubuque | Jackson | Clinton | Scott | Muscatine | Louisa | Des Moines | Lee | Jo Daviess | Carroll | Whiteside | Rock Island | Mercer | Henderson | Hancock
|
Alabama-Georgia
|
Jackson | DeKalb | Cherokee | Cleburne | Randolph | Chambers | Lee | Russell | Barbour | Henry | Houston | Dade | Walker | Chattooga | Floyd | Polk | Haralson | Carroll | Heard | Troup | Harris | Muscogee | Chattahoochee | Stewart | Quitman | Clay | Early | Seminole
|
Texas-Oklahoma
|
Dallam | Sherman | Hansford | Ochiltree | Lipscomb | Hemphill | Wheeler | Collingsworth | Childress | Hardeman | Wilbarger | Wichita | Clay | Montague | Cooke | Grayson | Fannin | Lamar | Red River | Bowie | Cimarron | Texas | Beaver | Ellis | Roger Mills | Beckham | Harmon | Jackson | Tillman | Cotton | Jefferson | Love | Marshall | Bryan | Choctaw | McCurtain
|
Michigan-Ohio
|
Monroe | Lenawee | Hillsdale | Lucas | Fulton | Williams
|
Pennsylvania-New Jersey
|
Pike | Monroe | Northampton | Bucks | Philadelphia | Delaware | Sussex | Warren | Hunterdon | Mercer | Burlington | Camden | Gloucester
|
Iowa-Missouri
|
Lee | Van Buren | Davis | Appanoose | Wayne | Decatur | Ringgold | Taylor | Page | Fremont | Clark | Scotland | Schuyler | Putnam | Mercer | Harrison | Worth | Nodaway | Atchison
|
Oregon-Washington
|
Wallowa | Umatilla | Morrow | Gilliam | Sherman | Wasco | Hood River | Multnomah | Columbia | Clatsop | Asotin | Garfield | Columbia | Walla Walla | Benton | Klickitat | Skamania | Clark | Cowlitz | Wahkiakum
|
Iowa-Wisconsin
|
Allamakee | Clayton | Dubuque | Vernon | Crawford | Grant
|
Colorado-Nebraska
|
Weld | Logan | Sedgwick | Phillips | Yuma | Kimball | Cheyenne | Deuel | Keith | Perkins | Chase | Dundy
|
Michigan-Indiana
|
Hillsdale | Branch | St. Joseph | Cass | Berrien | Steuben | LaGrange | Elkhart | St. Joseph | La Porte
|