With more than 170 still missing, communities must reconcile how to pick up the pieces around a waterway that remains both a wellspring and a looming menace.

The Guadalupe River has a history of deadly flooding. Here is a look over the decades. (AP video Marshall Ritzel/Albee Zhang)

In what experts call "Flash Flood Alley," the terrain reacts quickly to rainfall steep slopes, rocky ground, and narrow riverbeds leave little time for warning.

Nearly a week after deadly floods struck Central Texas, search and rescue teams are continuing to probe debris for those still missing.

At least 120 people have died and some 173 people remain unaccounted for statewide, nearly a week after flash floods ravaged the Texas Hill Country.

Texas has confirmed 119 deaths as a result of the storms that dangerously raised the Guadalupe River 26 feet in under an hour. On Tuesday, first responders and volunteers fanned out on foot, horseback and boats.

More than 100 people have died and dozens of others are missing following devastating central Texas floods that tore through local communities along the Guadalupe River early Friday. Fast-moving waters rose some 26 feet in under an hour overnight,

Search and rescue operations in Texas continue after heavy rainfall overwhelmed the Guadalupe River, sending floodwaters roaring through the area.