Complex sentence: The Aniakchak Bay Historic Landscape District surrounds the Aniakchak River from Aniakchak Crater to Aniakchak Bay and was listed on the National Register of Historic Places on February 14,1997.
Split into simpler sentences: The Aniakchak Bay Historic Landscape District surrounds the Aniakchak River from Aniakchak Crater to Aniakchak Bay. It was listed on the National Register of Historic Places on February 14,1997.