Index
Introduction
1816 to 1863
1863 to 1900
Bibliography
Acknowledgements
Author's biography
Links
Corps of Engineers, Rock Island District
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Home Glacial Geology Prehistoric Land Use Cave Article
Where Did Rock Island Come From?
In order to answer the question of where Arsenal Island came from,
a look at the geological history of the island and its surrounding area is necessary.
There’s a geological time scale to the right to help visualize the periods talked about it.
Understanding what went on in the greater Quad City Area millions of years ago helps
immensely in knowing where the area and Arsenal Island came from.
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last updated 13 April 2000
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