Share article to In 1871 Colorado Springs founder William Jackson Palmer built his first residence at Glen Eyrie, a large clapboard house with more than twenty rooms. Place: El Paso CountyMap: Image by: J. L. ClintonDate: 1870s–80sSource: Glen Eyrie, Residence of Gen'l Palmer No. 403Copyright Notes: Courtesy of Denver Public Library, Western History/Genealogy Department.