Complex sentence: One of the most extensive Mississippian artifact assemblages in its region, the Angel collection consists of well over 2.5 million individually catalogued objects and the count is rising yearly with continued excavation and research.
Split into simpler sentences: One of the most extensive Mississippian artifact assemblages in its region, the Angel collection consists of well over 2.5 million individually catalogued objects. The count is rising yearly with continued excavation and research.