"Yellowstone earthquakes 2008-09." Gale Science in Context, Gale, 2009. Science In Context, http://link.galegroup.com/apps/doc/CV2645808315/SCIC?u=vol_h58hs&sid=SCIC&xid=d9a2afdd. Accessed 10 Apr. 2019.
Yellowstone National Park was established on March 1, 1872, making it the World's First National Park.
Geography
- 3,472 square miles (8,991 km2)
- 2,221,766 acres or 899,116 hectares.
- 63 air miles north to south (102 km)
- 54 air miles east to west (87 km)
- 96% in Wyoming, 3% in Montana, 1% in Idaho
- Highest Point: 11,358 feet (3,462 m; Eagle Peak)
- Lowest Point: 5,282 feet (1,610 m; Reese Creek)
- Larger than Rhode Island and Delaware combined
- About 5% covered by water; 15% by grassland; and 80% by forests
National Park Service
