FACTOID #53: If you thought Antarctica was inhospitable, think again - its land area is only ninety-eight percent ice. Reassuringly, the other 2% is categorised as "barren rock".
Promontory is a location in Box Elder County, Utah, centered approximately at 41°37'07"N, 112°32'51"W, with an elevation of 1494 meters (4902 feet) above sea level. [1] (http://geonames.usgs.gov/pls/gnis/web_query.GetDetail?tab=Y&id=1437660)
Important note: This place is sometimes called Promontory Point, which is, however, a different location at the southern tip of a peninsula in the Great Salt Lake.