The oldest tree in the United States is a Great Basin bristlecone pine named Methuselah, which is estimated to be around 4,852 years old. Methuselah is located in the White Mountains of eastern California and was first discovered in 1957 by a researcher named Edmund Schulman. The tree's exact location is kept secret to protect it from vandalism and damage.
Bristlecone pines are able to survive for thousands of years in harsh environments because of their ability to adapt to extreme weather conditions and their slow growth rate. Methuselah's age was determined by counting the rings on a core sample taken from the tree, a method known as dendrochronology.
It's important to note that while Methuselah is currently the oldest known tree in the United States, there may be older trees that have not yet been discovered.
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