之前的Rapanos案，将几个密执安州开发者以及一大片土地卷入其中，并且提出了这样一个问题：与水域相连接的湿地，何时可纳入清洁水法的保护范围。

That matter, known as the Rapanos case, involved a Michigan developer and a large tract of land, and turned on the question of when wetlands are connected to the waters covered by the clean-water law.

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