Complex sentence: Kinishba Ruins, an ancient archeological site (AD 1150--1350) of the western Pueblo culture, is a National Historic Landmark and is located on nearby associated tribal trust lands.
Split into simpler sentences: Kinishba Ruins, an ancient archeological site (AD 1150--1350) of the western Pueblo culture, is a National Historic Landmark. It is located on nearby associated tribal trust lands.