These photos of Althea Spring were made by Joe Davis in May 2013. Althea Spring is just below Patrick Bridge that is located on the North Fork River. It is accessible by foot and parking is available at the access. Althea Spring is the 23rd largest spring in Missouri. It was named for the daughter of Dr. Paul Patrick, one of the early owners of the property. From 1958 to 1977 this area was the residence of Karl W. Schmidt and his sister, Willa K. Schmidt. Karl Schmidt used the spring to power a domestic power plant which he designed.