On August 19,1973, a barge on the Mississippi River was damaged, spilling 140,000 gal of chloroform into the river. The following data were taken at a point 16.3 miles downstream from the spill
Properties of the Mississippi River (averages):
Volumetric Flow = 268,000 ft3/s
Velocity = 1.26 mph
Width = 4000 ft
Depth = 36.3 ft
[3rd Ed. P14-10]