Category talk:Roller coasters introduced in the 20th century

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Amusement Parks: Roller Coasters

	This category is within the scope of WikiProject Amusement Parks, a collaborative effort to improve the coverage of Amusement parks on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.Amusement ParksWikipedia:WikiProject Amusement ParksTemplate:WikiProject Amusement Parksamusement park articles
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