Tulsa County is located in the U.S. state of Oklahoma. As of the 2020 census, the population was 669,279, making it the second-most populous county in the state, behind only Oklahoma County. Its county seat and largest city is Tulsa, the second-largest city in the state. Founded at statehood, in 1907, it was named after the previously established city of Tulsa. Before statehood, the area was part of both the Creek Nation and the Cooweescoowee District of Cherokee Nation in Indian Territory.
Yell County is a county in the U.S. state of Arkansas. As of the 2020 census, the population was 20,263. The county has two county seats, Dardanelle and Danville. Yell County is Arkansas's 42nd county, formed on December 5, 1840, from portions of Scott and Pope counties. It was named after Archibald Yell, who was the state's first member of the United States House of Representatives and the second governor of Arkansas. He died in combat at the Battle of Buena Vista during the Mexican–American War.
Washington County is a regional economic, educational, and cultural hub in the Northwest Arkansas region. Created as Arkansas's 17th county on November 30, 1848, Washington County has 13 incorporated municipalities, including Fayetteville, the county seat, and Springdale. The county is also the site of small towns, bedroom communities, and unincorporated places. The county is named for George Washington, the first President of the United States.
Miller County is a county located in the southwestern corner of the U.S. state of Arkansas. As of the 2020 census, the population was 42,600. The county seat is Texarkana.
Jefferson County, Arkansas is a county located in the U.S. state of Arkansas in the area known as the Arkansas Delta that extends west of the Mississippi River. Jefferson County consists of five cities, two towns, and 20 townships. The county is bisected by the Arkansas River, which was critical to its development and long the chief transportation byway. In 2020, Jefferson County's population was estimated at 67,260. Its county seat and largest city is Pine Bluff. Jefferson County is included in the Pine Bluff metropolitan statistical area. The county seat and the most populous city is Pine Bluff.
Black Oak is a town in Craighead County, Arkansas, United States. The population was 262 at the 2010 census. It is included in the Jonesboro, Arkansas Metropolitan Statistical Area. Black Oak is the namesake of 1970s rock band Black Oak Arkansas and the setting of John Grisham's novel A Painted House.
Marion is a city in and the county seat of Crittenden County, Arkansas, United States. The population was 12,345 at the 2010 census, a 38.7% increase since 2000. The city is part of the Memphis metropolitan area. It is the second largest city in Crittenden County, behind West Memphis.
Paragould is the county seat of Greene County, and the 19th-largest city in Arkansas, in the United States. The city is located in northeastern Arkansas on the eastern edge of Crowley's Ridge, a geologic anomaly contained within the Arkansas delta.
Sulphur Rock is a town in Independence County, Arkansas, United States. The population was 456 at the 2010 census.
Pine Bluff is the eleventh-largest city in the state of Arkansas and the county seat of Jefferson County. It is the principal city of the Pine Bluff Metropolitan Statistical Area and part of the Little Rock-North Little Rock-Pine Bluff Combined Statistical Area. The population of the city was 49,083 in the 2010 Census with 2019 estimates showing a decline to 41,474.
Elkins is a city in Washington County, Arkansas, United States. The community is located in the Boston Mountains, deep in the Ozark Mountains. A combination of the former unincorporated communities of Harris and Hood, Elkins was established in 1964. Located immediately east of Fayetteville in the Northwest Arkansas metropolitan statistical area, Elkins has been experiencing rapid growth in recent years, doubling in population between the 2000 and 2010 censuses.
Sulphur Springs is a city in and the county seat of Hopkins County, Texas, United States. As of the 2010 census, its population was 15,449. Sulphur Springs is located along the western edge of Northeast Texas.
The Red River, or sometimes the Red River of the South, is a major river in the Southern United States. It was named for its reddish water color from passing through red-bed country in its watershed. It is known as the Red River of the South to distinguish it from the Red River of the North, which flows between Minnesota and North Dakota into the Canadian province of Manitoba. Although once a tributary of the Mississippi River, the Red River is now a tributary of the Atchafalaya River, a distributary of the Mississippi that flows separately into the Gulf of Mexico. This confluence is connected to the Mississippi River by the Old River Control Structure.
The Boston Mountains is a Level III ecoregion designated by the Environmental Protection Agency (EPA) in the U.S. states of Arkansas and Oklahoma. Part of the Ozarks, the Boston Mountains are a deeply dissected plateau. The ecoregion is steeper than the adjacent Springfield Plateau to the north, and bordered on the south by the Arkansas Valley. The Oklahoma portion of the range is locally referred to as the Cookson Hills. There are several theories of how the mountains were named, though apparently none are related to the Massachusetts city.
The White River is a 722-mile (1,162 km) river that flows through the U.S. states of Arkansas and Missouri. Originating in the Boston Mountains of northwest Arkansas, it arcs northwards through southern Missouri before turning back into Arkansas, flowing southeast to its mouth at the Mississippi River.
Suncrest is a census-designated place (CDP) in Stevens County, Washington, United States. Though it is not incorporated as a city or town, the CDP's population of 5,413 at the 2020 census makes Suncrest the largest community in the county. The community is located along the Spokane River 9.7 miles northwest of the city of Spokane, of which it is a exurb and bedroom community. The community experienced substantial growth starting in the mid-1980s, with gated community and suburban style development. State Route 291 is the main thoroughfare through Suncrest, as well as its main connection to the surrounding area including Spokane.
Sulphur Springs, also known as White Sulphur Springs, is a census-designated place (CDP) in Spring Township, Jefferson County, Arkansas, United States. Per the 2020 census, the population was 1,032.
Sulphur City is an unincorporated community in White River Township, Washington County, Arkansas, United States. It is located at the intersection of Black Oak Road and Whitehouse Road (CR 43). The community is on the east bank of the Middle Fork of the White River. The community of Black Oak lies approximately 1.5 miles to the northwest on the opposite side of the river.
Crooked Creek is a stream in Newton, Boone and Marion counties of north Arkansas. It is a tributary of the White River.
