El Dorado (Union County)
El Dorado is the county seat of Union County in south central Arkansas and a center for oil production and refining. Called once by boosters the “Queen City of South Arkansas” and, more recently, “Arkansas’s Original Boomtown,” the city was the heart of the 1920s oil boom in South Arkansas. Early Statehood through the Gilded Age The city was founded in 1843 when Matthew Rainey set up a retail store in the area. Some reports state that Rainey had become stranded and sold his belongings to tide him over. So impressed with the sales to local settlers, he decided to stay permanently and named the site El Dorado, most often translated as “the Gilded Road” in Spanish. In 1843, El …
El Dorado Aerial View 
El Dorado Oil Company 
El Dorado Oil Well 
El Dorado Street 
El Dorado Street Scene 
El Dorado Street Scene 
Exchange Bank 
