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  1. Canada–United States border - Wikipedia

    en.wikipedia.org/wiki/Canada–United_States_border

    The Canada–United States border, officially known as the International Boundary, is the longest international border in the world between two countries. The terrestrial boundary (including boundaries in the Great Lakes, Atlantic and Pacific coasts) is 8,891 kilometers (5,525 mi) long, of which 2,475 kilometers (1,538 mi) is the border of Alaska with British Columbia and Yukon.

  2. Rapanos v. United States - Wikipedia

    en.wikipedia.org/wiki/Rapanos_v._United_States

    United States, 547 U.S. 715 (2006), was a United States Supreme Court case challenging federal jurisdiction to regulate isolated wetlands under the Clean Water Act. It was the first major environmental case heard by the newly appointed Chief Justice , John Roberts and Associate Justice , Samuel Alito .