Entry - March 1851 "Brigham City, Box Elder Co., was settled by William Davis, James Brooks and Thomas Pierce." (LDS Church Chronology 1805 - 1914, page 42)
Beaver County Utah was established in 1856.
The total area of Box Elder County Utah is 5,724 sq mi, (14,825 km²)
Promontory Point is in Box Elder County in Utah. It is the site where on May 10, 1869, the First Transcontinental Railroad was completed.
As of 2000 the population of Box Elder County Utah was, 42,745 people.
· Yost is a ghost town in Box Elder County, Utah
Yost is a ghost town in Box Elder County, Utah.
Yost is a ghost town in Box Elder County, Utah.
· Yost is a ghost town in Box Elder County, Utah
· Yost is a ghost town in Box Elder County, Utah
Yost is a ghost town in Box Elder County, Utah. It begins with the letter Y.
There are 29 counties in Utah. Salt Lake County is the most populous county in Utah with estimated population of 1,107,314 as of July 1, 2015 per the U.S. Census Bureau.
Frostline in Utah (not specifically for Box Elder County) is 30 inches deep. I assume that this is a typical statewide rule of thumb good for most locations but would not apply to very high elevations.