Complex sentence: The Carter H. Harrison Crib replaced the Two-Mile Crib in 1900, which was later replaced by the William E. Dever Crib built alongside it in 1935.
Split into simpler sentences: The Carter H. Harrison Crib replaced the Two Mile Crib in 1900. This crib was replaced by the William E. Dever Crib that was built alongside it in 1935.