Complex sentence: Recognized successor apparent bands include the federally recognized Turtle Mountain Band of Chippewa Indians, based in North Dakota, and the state-recognized Little Shell Tribe of Chippewa Indians of Montana, which has been seeking federal recognition.
Split into simpler sentences: Recognized successor apparent bands include the federally recognized Turtle Mountain Band of Chippewa Indians, based in North Dakota. The Little Shell Tribe of Chippewa Indians of Montana is recognized by the state of Montana and it has been seeking federal recognition.