Boks-Byutt okrugi (Nebraska)
Boks-Byutt okrugi — Nebraska shtatidagi (U.S. state) okrug.
Izohlar
Manbalar
Kooiman, Barbara A., va Elizabeth A. Butterfield (1996). "Nebraska Historic Buildings Survey: Reconnaissance Survey Final Report of Box Butte County, Nebraska"[Usurped!]. Nebraska State Historical Society.[Usurped!] 2017-yil 11-dekabrda olingan.