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From 1945 to 1993, over one thousand atomic weapons were detonated as part of the United States Nuclear Testing Program. In the years between 1951 and 1962, these tests were performed above ground at…

Since the nineteenth century, mining has provided significant economic support to the Intermountain West and to the United States overall. Copper supported wars, coal fueled power plants, and silver…

Utah is primarily known as the headquarters and cultural hearth of Mormonism, or the Church of Jesus Christ of Latter-day Saints. However, some of Utah’s earliest roots center around its established…

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Intermountain Histories is a free website and mobile app that curates the histories of sites and events around the Intermountain West regions of Idaho, Wyoming, Montana, Nevada, Utah, Colorado, Arizona, and New Mexico. Discover the histories of the region’s peoples, places, institutions, events, cultures, and more. Using an interactive GPS-enabled map, you can take virtual or physical walking tours of historic sites. As your personal tour guide, Intermountain Histories provides historical information, photographs and images, documentary videos, audio interviews, oral histories, bibliographic citations, and other resources as you explore.