Charles Eberline on July 5th, 2024:
Identified from "Episcopal Organ: Christ Episcopal Church Receives One of the Finest Organs That Has Ever Been Made by a Famous Manufacturing Firm; Expert from Chicago Will Superintend Its Erection in the Church—Detailed Description of the Great Instrument," Lead (SD) Daily Call, Wednesday, May 17, 1905, 1, Newspapers.com, https://www.newspapers.com/image/91776399: detailed description and stoplist of the organ (see under "Documents").
The organ was rebuilt by J.F. Nordlie Company in 2007: J.F. Nordlie Company, "Opus List," https://jfnordlie.com/opuslist: "Lead SD. Christ Episcopal Church. (2007) Originally built by J. W. Steere & Sons (1905). II/22."