Island 35 Mastodon Island 35 Mastodon The Island 35 Mastodon was discovered on Island No. 35 of the Mississippi River in Tipton County, Tennessee, United States. In 1900, a Pleistocene mastodon skeleton was excavated approximately east of Reverie, Tennessee and southeast of Wilson, Arkansas. In 1957 the site was reported as destroyed. Mastodons are members of the prehistoric, extinct genus "Mammut". They resemble modern elephants. Native to North America, they are said to have lived on the North American continent from almost 4 million years ago, in the Pliocene Epoch, until their eventual disappearance about 10,000 years ago. In 1900, archaeologist James K.
Mastodon Township, Michigan Mastodon Township, Michigan Mastodon Township is a civil township of Iron County in the U.S. state of Michigan. As of the 2000 census, the township population was 668. Mastodon was so named from the fact mastodon bones were discovered when sinking a mine shaft. Mastodon may have also been named for the size of the large, iron ore body which was struck at the mine site; as "Mastodon" at that time, being a relatively new discovery, was also being used as a slang adjective, meaning large/huge. The Brule River forms the southern boundary of the township, with the Town of