Hell's Half Acre Lava Field

Hell's Half Acre Lava Field
Hell's Half Acre Lava Field
	View of Hell's Half Acre Lava Field
Highest point
Elevation	1,631 metres (5,351 ft)
Coordinates	43°30′N 112°27′W / 43.50°N 112.45°W
Geography
Location	Bonneville and Bingham counties, Idaho, U.S.
Geology
Mountain type	Shield volcano, lava plain
Last eruption	3250 BCE ± 150 years
U.S. National Natural Landmark
Designated	1976

Hell's Half Acre Lava Field is a basaltic lava plain located on the Snake River Plain of Idaho in the United States. It is the easternmost of the basaltic lava fields on the Snake River Plain,^[1] located about 25 miles (40 km) west of Idaho Falls, Idaho and 30 miles (48 km) north of Pocatello, Idaho.^[4] In 1976, the National Park Service designated the northwestern portion of the site a National Natural Landmark.^[5] In 1986, the Bureau of Land Management recommended that 68,760 acres (27,830 ha) of the site, located just southeast of the National Natural Landmark, to be a wilderness study area.^[6]

^ ^a ^b ^c "Hell's Half Acre". Global Volcanism Program. Smithsonian Institution. Retrieved 2008-08-21.
^ Cite error: The named reference Wilson10 was invoked but never defined (see the help page).
^ Kuntz, et al., "Radiocarbon Studies of Latest Pleistocene and Holocene Lava Flows of the Snake River Plain, Idaho: Data, Lessons, Interpretations," Quaternary Research, February 1986, p. 163.
^ Alt and Hyndman, Roadside Geology of Idaho, 1989, p. 257.
^ National Registry of National Landmarks, June 2009, p. 27.
^ Bureau of Land Management, Eastern Idaho Proposed MFP Amendment and Final Environmental Impact Statement, Wilderness. Eastern Idaho Wilderness Study, 1986.