The sandbar started to form in the 1870s, supposedly due to a drop in the river level. Joseph Ackerman, a local businessman, acquired the island in 1890. In 1905, he sold the island and the Wonderland Amusement park (not to be confused with the Wonderland Amusement Park in Revere, Massachusetts) was built and remained open until 1918.
By the 1930s, flooding concerns led the Works Progress Administration to organise the removal of the sandbar. The east side of the island was used to fill the west channel of the river and the east channel was widened and became the current river. The island became part of the current west bank of the Arkansas River.
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