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A living Panthera leo, or lion †Panthera leo †Paramachaerodus †Paramylodon †Paramylodon harlani †Paronychomys; Perognathus; Peromyscus; Pituophis †Pituophis melanoleucus; Mounted fossilized skeleton of the Miocene-Pleistocene peccary Platygonus †Platygonus †Platygonus compressus †Pleiolama †Plesiogulo †Plionarctos ...
In February 1903, U.S. Senator Hamilton Kean spoke against Arizona's statehood. He said Mormons who fled from Idaho to Mexico would return to the U.S. and mix in the politics of Arizona. [44] In 1912, Arizona almost entered the Union as part of New Mexico in a Republican plan to keep control of the U.S. Senate. The plan, while accepted by most ...
Local sea levels began to periodically rise and fall throughout the ensuing Carboniferous period. During periods of low water levels, much of the state was a coastal plain environment. [1] Plants that grew in Arizona during the Mississippian left behind fossils. [2] Near the end of the ensuing Permian period, Arizona was once more covered by ...
When you stand on the rim of the canyon, you’re on top of a 270-million-year-old sea floor. All around Arizona, rocks hold remains of life that lived hundreds of millions of years ago.
This list of the Paleozoic life of Arizona contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Arizona and are between 538.8 and 252.17 million years of age.
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Hinchcliffe Court opens near Tucson, the first auto court motel in Arizona. [116] 1912 February 14: Arizona becomes the 48th state of the United States; Phoenix becomes the state capital. [108] U.S. President William Howard Taft issues Proclamation 1180: Admitting Arizona to the Union. [117] The Territory of Arizona becomes the State of Arizona.
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