Rio Grande floods towns in Texas and Mexico

Title "Grim camera record . . . Rio Grande's mightiest flood" superimposed over shot of floodwaters from moving boat / aerial shot of rushing floodwaters / aerial shot of flooded Laredo, TX / aerial shot of flooded houses / aerial shot of submerged bridge / shot on ground of floodwaters rushing under bridge / rushing floodwaters / shot from boat of flooded house / shot from boat of flooded building / two shots from boat of flooded houses / shot from boat of flooded buildings / shot from boat of flooded houses / shot from boat of flooded gas station / people waiting to get on evacuation trucks / three shots on moving truck of people riding on truck / people standing in flooded street / overhead shot of flooded buildings next to flooding river / flooded buildings, flooding river and town of Nuevo Laredo on other side of river in Mexico / flooding river and flooded building across river in Nuevo Laredo / four shots of flooded buildings in Nuevo Laredo / aerial shot of bridge in flooding river / Note: exact day not known