" Archaeology is like a 1,000-piece puzzle for which you have 74 pieces."

The 2012 emergency call sent archaeologists scrambling. Rising seas were washing away an ancient Indian burial ground near Cedar Key. They had to dig up the remaining graves and collect the bones before the whole thing disappeared into the Gulf of Mexico.

But while digging, University of Florida archaeologist Ken Sassaman discovered something that surprised him. The burial ground of some 1,300 graves was actually a re-burial ground. The skeletons had been buried somewhere else, then moved to this spot.

Florida's early inhabitants had done that, Sassaman said, because they were dealing with the same problem that's facing the low-lying Sunshine State now: waves that creep higher and higher, crumbling the coastline and forcing the inhabitants to make tough choices about the future.

Read more at the Miami Herald.