Pine Ridge Indian Reservation, South Dakota (99%)Nebraska (1%)

Major depressive disorder

Connects Pine Ridge Indian Reservation, South Dakota (99%)Nebraska (1%) to: Villa Las Estrellas, Chile | Glendon, England

Cretaceous–Paleogene boundary

Connects Pine Ridge Indian Reservation, South Dakota (99%)Nebraska (1%) to: Byala, Varna Province | Braggs, Alabama

Badlands

Connects Pine Ridge Indian Reservation, South Dakota (99%)Nebraska (1%) to: Marmarth, North Dakota | Glendive, Montana | Redcliff, Alberta | Beach, North Dakota

fault scarp

Connects Pine Ridge Indian Reservation, South Dakota (99%)Nebraska (1%) to: Gifu Prefecture | Garrotxa | Loburn | Yanar Dagh, Azerbaijan

Western Interior Seaway

Connects Pine Ridge Indian Reservation, South Dakota (99%)Nebraska (1%) to: Illinois | Billings, Montana | Imperial County, California | Herschel, Saskatchewan

Tribal colleges and universities

Connects Pine Ridge Indian Reservation, South Dakota (99%)Nebraska (1%) to: Utqiagvik, Alaska | Shiprock, New Mexico | Winnebago Reservation, Nebraska and Iowa | Tsaile, Arizona

7th Cavalry Regiment

Connects Pine Ridge Indian Reservation, South Dakota (99%)Nebraska (1%) to: Amarah, Iraq | Crow Indian Reservation, Montana | Custer, South Dakota | Standing Rock Sioux Reservation | Garryowen, Montana

Miniconjou

Connects Pine Ridge Indian Reservation, South Dakota (99%)Nebraska (1%) to: Nebraska | South Dakota | Lower Brule Indian Reservation | Reva, South Dakota | Lame Deer, Montana

Oglala Lakota College

Connects Pine Ridge Indian Reservation, South Dakota (99%)Nebraska (1%) to: United States | Alaska | South Dakota | Rapid City, South Dakota | Kyle, South Dakota

Kahnawake

Connects Pine Ridge Indian Reservation, South Dakota (99%)Nebraska (1%) to: Schenectady, New York | Akwesasne | Kanesatake | Groton, Massachusetts | United Counties of Stormont, Dundas and Glengarry

ecotone

Connects Pine Ridge Indian Reservation, South Dakota (99%)Nebraska (1%) to: Saskatoon, Saskatchewan | Grande Prairie, Alberta | Churchill, Manitoba | Prince Albert, Saskatchewan | São Gonçalo do Amarante, Brazil

Hotchkiss gun

Connects Pine Ridge Indian Reservation, South Dakota (99%)Nebraska (1%) to: United States | Russia | Cuba | San Juan, Philippines | Matabeleland