Promontory, Utah. Promontory is an area of high ground in Box Elder County, Utah, 32 mi (51 km) west of Brigham City and 66 mi (106 km) northwest of Salt Lake City. Rising to an elevation of 4,902 feet (1,494 m) above sea level, it lies to the north of the Promontory Mountains and the Great Salt Lake.
1 Hawksbills are considered Critically Endangered around the world by the IUCN Red List and are listed as Endangered in the US. 2  Some researchers believe the Eastern Pacific hawksbill is likely the most endangered sea turtle population worldwide. 3  Their scientific name is Eretmochelys imbricata.
The Leatherback sea turtle (Demochelys coriacea)is the biggest turtle on earth. It is considered endangered as its population has decreased from 115000 in 1982 to 20000-30000 in 1996, The main threats to this animal are loss of nesting habitat, theft of eggs by humans, illegal hunting and global climatic change.