way to the isolated town of utuado, parts of which were cut off from civilization after a raging arecibod out a key bridge. the people here call it the camp of the forgotten, and ferry supplies back and forth across the gap using a shopping cart on pulleys. on the other side of the river, we found hundreds of people gathered to receive emergency food and water. the mayor told us it's a daily occurrence. what's the biggest problem here right now? >> mayor of utuado: the biggest problem here is the water. i need water to the people. >> kroft: there are still 15,000 people here helping, most of them military and national guard who could be gone in a matter of months. fema, the federal emergency management agency, is in it for the long haul. its man on the ground is mike byrne, who came here with a lot of other people in this room from hurricane harvey in texas. >> byrne: just because it's not my first rodeo, it doesn't mean it's not a rough ride. >> kroft: along with the army corps of engineers, byrne will be planning and coordinating what he hopes will be the island's eventual recovery. ha