The web address of the Butler County Historical Scty is: http://www.kansasoilmuseum.com
The address of the Butler County Historical Scty is: 383 E Central Ave, El Dorado, KS 67042-2133
The phone number of the Butler County Historical Scty is: 316-321-9333.
The web address of the El Dorado County Historical Society Museum is: http://www.visitcalifornia.com/Details/i1664629
The address of the El Dorado County Historical Society Museum is: 524 Main St, Placerville, CA 95667
The web address of the El Dorado Historical Museum is: http://eldoradocountyfair.org
The address of the El Dorado County Library is: 345 Fair Lane, Placerville, 95667 4196
The address of the El Dorado County Bookmobile is: 345 Fair Lane, Placerville, 95667 5699
The address of the South Arkansas Historical Foundation is: Po Box 144, El Dorado, AR 71731-0144
The address of the Union County Gift Foundation is: Po Box 148, El Dorado, AR 71731-0148
The address of the Union County Genealogical Society is: Po Box 967, El Dorado, AR 71731-0967
There was a small POW camp in Butler County in Kansas in El Dorado. It was north of where the prison is now.
The phone number of the El Dorado Arts Council is: 530-295-3496.