Here's a chronology of chaotic rescue efforts as a flash flood chewed through the Texas Hill Country before dawn July 4 based on first responder

Their statements to state legislators marked the first time county officials have spoken publicly about what they were doing the morning of the disaster that killed more than 100 people in the county.

Top emergency leaders were asleep or out of town. Using recordings of first responder communications, weather service warnings, survivor videos and official testimony, The Associated Press has assembled a chronology of the chaotic rescue effort as a flash flood barreled east through the Hill Country of Central Texas before dawn on July 4.