Northwestern Band of the Shoshone Nation  The Northwestern Band of the Shoshone Nation is a federally recognized tribe of Shoshone people, located in Box Elder County, Utah. They are also known as the Northwestern Band of Shoshoni Indians. The tribe's reservation, the Washakie Reservation, located near the Utah-Idaho border, is 189-acres large. It is located near Washakie, Utah. The tribe's headquarters is in Brigham City, Utah, but they also have a tribal office in Pocatello, Idaho. The tribe is governed by a democratically elected, seven-member tribal council. The current administration is as follows:  The Northwestern Band of Shoshone ratified their constitution on August in 1987. In 2008, the Northwestern Band began construction on a 100-megawatt geothermal plant near Honeyville, Utah, near the Utah-Idaho Border. Traditionally, the Northwestern Band of Shoshone Tribe speaks the Northern Shoshoni dialect of the Shoshoni language, which is written in the Latin script.