Deep South Portfolio: Historic Louisiana Flooding: Historic Louisiana Flooding

Sgt. Brad Stone of the Louisiana Army National Guard gives safety instructions to people loaded on a dump truck after they were stranded by rising flood water near Walker, La. USA, Sunday, Aug. 14, 2016. Rescuers have evacuated more than 20,000 people since the flooding started Friday and more than 10,000 people were in shelters as of late Sunday, according to Louisiana Gov. John Bel Edwards. (AP Photo/Max Becherer)
Historic Louisiana Flooding

Sgt. Brad Stone of the Louisiana Army National Guard gives safety instructions to people loaded on a dump truck after they were stranded by rising flood water near Walker, La. USA, Sunday, Aug. 14, 2016. Rescuers have evacuated more than 20,000 people since the flooding started Friday and more than 10,000 people were in shelters as of late Sunday, according to Louisiana Gov. John Bel Edwards. (AP Photo/Max Becherer)