State,County
South Dakota,Ziebach
Nebraska,York
Montana,Yellowstone
Arizona,Yavapai
Nebraska,Wheeler
Montana,Wheatland
Nebraska,Webster
Wyoming,Washakie
Montana,Valley
Nebraska,Valley
Wyoming,Uinta
South Dakota,Tripp
Montana,Treasure
Montana,Toole
South Dakota,Todd
Nebraska,Thomas
Nebraska,Thayer
New Mexico,Taos
Wyoming,Sweetwater
Montana,Sweet Grass
Wyoming,Sublette
Montana,Stillwater
North Dakota,Stark
North Dakota,Slope
Nebraska,Sioux
North Dakota,Sioux
Nebraska,Sherman
Nebraska,Sheridan
South Dakota,Shannon
Nebraska,Seward
Nebraska,Scotts Bluff
Nebraska,Saline
Montana,Rosebud
Nebraska,Rock
Nebraska,Red Willow
Montana,Prairie
Montana,Powder River
Nebraska,Polk
Nebraska,Platte
Nebraska,Pierce
Montana,Phillips
Nebraska,Phelps
Montana,Petroleum
Nebraska,Perkins
South Dakota,Pennington
Wyoming,Park
North Dakota,Oliver
Nebraska,Nuckolls
Wyoming,Natrona
Nebraska,Nance
Montana,Musselshell
North Dakota,Morton
Nebraska,Morrill
Nebraska,Merrick
North Dakota,Mercer
South Dakota,Mellette
Nebraska,McPherson
North Dakota,McKenzie
Montana,McCone
Nebraska,Madison
South Dakota,Lyman
Nebraska,Loup
Kansas,Logan
Nebraska,Logan
Nebraska,Lincoln
Wyoming,Lincoln
Montana,Liberty
Montana,Lewis and Clark
Nebraska,Knox
Nebraska,Kimball
Nebraska,Keya Paha
Nebraska,Keith
Nebraska,Kearney
Montana,Jefferson
Nebraska,Jefferson
South Dakota,Jackson
Nebraska,Howard
Wyoming,Hot Springs
Nebraska,Hooker
Nebraska,Holt
Nebraska,Hitchcock
Montana,Hill
North Dakota,Hettinger
Nebraska,Hayes
Nebraska,Harlan
Nebraska,Hamilton
Nebraska,Hall
South Dakota,Gregory
Nebraska,Greeley
Nebraska,Grant
North Dakota,Grant
Nebraska,Gosper
Montana,Golden Valley
North Dakota,Golden Valley
Montana,Garfield
Nebraska,Garfield
Nebraska,Garden
Nebraska,Furnas
Nebraska,Frontier
Wyoming,Fremont
Nebraska,Franklin
Nebraska,Fillmore
Montana,Fergus
North Dakota,Dunn
Nebraska,Dundy
South Dakota,Dewey
Nebraska,Deuel
Nebraska,Dawson
Nebraska,Dawes
Montana,Custer
Nebraska,Custer
South Dakota,Custer
Colorado,County-level range not defined
Utah,County-level range not defined
South Dakota,Corson
Nebraska,Colfax
New Mexico,Colfax
Arizona,Coconino
Nebraska,Clay
Montana,Chouteau
Nebraska,Cheyenne
Nebraska,Cherry
Nebraska,Chase
Montana,Carter
Montana,Carbon
Wyoming,Carbon
Nebraska,Buffalo
Nebraska,Brown
Nebraska,Boyd
Nebraska,Box Butte
North Dakota,Bowman
Nebraska,Boone
Montana,Blaine
Nebraska,Blaine
North Dakota,Billings
Montana,Big Horn
Wyoming,Big Horn
Nebraska,Banner
Nebraska,Arthur
Nebraska,Antelope
Nebraska,Adams
North Dakota,Adams