Here is the opinion in Ho-Chunk Nation v. Wisconsin Dept. of Revenue. An excerpt from the majority:
For the reasons set forth below, we affirm. “[R]eservations or trust lands” are also referred to in the sentence preceding the provision in question; a sensible reading of the statute (Wis.Stat. § 139.323) requires that the two references be read as identifying the same land. The grammatical construction of the sentence itself lends further support to our holding because “was designated” precedes both “a reservation” and “trust land” and means the same thing about each. Given that there is no basis in the federal regulations for recognizing a preliminary, unofficial status for reservations or trust lands, there is likewise no basis for reading this statute as intending to apply to land that has received only preliminary informal approval.
And an excerpt from the dissent:
Unlike this dissent, the majority opinion does not justify its holding on any historical or policy basis. It relies instead on unpersuasive interpretive tools. In my view, the only way we would be justified in denying the Ho-Chunk Nation the requested refund on its DeJope tax collections would be to cite documentary evidence showing that this property was considered and intentionally excluded.