Complex sentence: The Main Street Branch Library is one of four branch libraries for the City of Huntington Beach Public Library system and, along with Triangle Park, is one of the 122 historic properties and districts listed on the National Register of Historic Places for Orange County, California.
Split into simpler sentences: The Main Street Branch Library is one of four branch libraries for the City of Huntington Beach Public Library system. The Library and Triangle Park are one of 122 historic properties and districts listed on the National Register of Historic Places for Orange County, California.