By **Ayurella Horn-Muller** (Climate Central ) and **Andrew S. Lewis** and **Michael Sol Warren** (NJ Spotlight News), with television segment by **Brenda Flanagan** (NJ Spotlight News) **Read the Climate Central report, Future Flood Risk: Historic Sites in NJ**. The Garden State’s history is starting to wash away. New Jersey as it exists today was built up over hundreds of years from the arrival of Europeans, and thousands of years of Lenape settlement before that. Reminders of the past are scattered everywhere — the state has more than 100,000 historic properties, one in nearly every city and town. This story was produced through a partnership between NJ Spotlight News and Climate Central. “This is part of our cultural consciousness,” said Barton Ross, a past president of the advocacy group Preservation New Jersey.…