Sieber was fired from his San Carlos Chief of Scouts position in December 1890 by Major John L. Bullis [REF].
On February 19, 1907, Sieber was leading an Apache work crew that was building the Tonto road to the new Roosevelt Dam site on the [confluence of the Salt River and Tonto Creek on the border of Gila County and Maricopa County] in Gila County.