Complex sentence: In 1944, the state purchased the land for the park for $5,000 from the estate of Temple S. Fay with the stipulation that the Washington State Park System maintain the name "Fay".
Split into simpler sentences: In 1944, the state of Washington purchased the land for the park for $5,000 from the estate of Temple S. Fay. The land was purchased from the Fay estate with the stipulation that the Washington State Park System maintain the name "Fay".