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 bog turtle (Glyptemys muhlenbergii), Americaâs smallest turtle, is federally listed as Threatened under the Endangered Species Act. Bog turtles depend upon a habitat mosaic of open, sunny, spring fed wetlands and scattered dry areas.