Devils Postpile National Monument was created in 1911.
The area of Devils Postpile National Monument is 3,229,391.4250752 square meters.
Devils Postpile is primarily composed of basalt, a dense volcanic rock formed from the rapid cooling of lava. The unique columnar jointing seen in the formation occurs as the lava cools and contracts, creating striking hexagonal columns. This natural monument is located in California and is part of the Devils Postpile National Monument, showcasing the beauty of geological processes.
Devil's Postpile National Monument in California features a variety of plant species, including Jeffrey pines, white firs, incense cedars, and mountain hemlocks. The area is also known for its wildflowers, such as lupines, penstemons, and paintbrushes.
Devils Tower National Monument was created on 1906-09-24.
It is located in California. It is a national monument. It's lava flow remains in 60-ft. (18-m) columns.
Entrance Station - Devils Tower National Monument - was created in 1941.
It is 1.247 mi.2
Devil's Tower National Monument www.nps.gov/deto
Wyoming
1906
Devils Tower is 1000 feet wide
Devils Tower, the national monument, is located in northeastern Wyoming.