Rescue workers patrolled by foot and by airboat in the search for those still missing from flash floods that struck this part of Texas over the July Fourth weekend, leaving more than 100 confirmed dead.

Across Central Texas, there have been more than 90 confirmed deaths from the weekend flooding: six people were reported dead in Kendall County, seven in Travis County, four in Williamson County and four in Burnet County, officials said Monday. At least 15 people are still missing in the Austin area.