Two sisters from Dallas — 13-year-old Blair Harber and 11-year-old Brooke Harber — were among the dozens of lives lost in the catastrophic floods that swept through Central Texas early Friday.

The Dallas Cowboys are donating $500,000 to the Salvation Army to assist in recovery from the flooding that has devastated the Texas Hill Country, the team announced Sunday.

Horrific flash flooding in Texas has claimed 59 lives, with 11 young girls who were attending a summer camp still missing. Both the Texans and the Cowboys have donated $500,000 to the relief and recovery efforts.