Mapping of the Dead Zone CompletedJuly 26, 2000/wp-content/uploads/2017/01/MappingPressRelease2000.doc Scientists just completed mapping this summer’s area of low oxygen off the Louisiana coast.  The area covers 4,400 km2 (1,700 square miles), the smallest zone since the Mississippi River drought conditions of 1988.  This year’s zone was 1/5 the size of the 1999 record-breaking 20,000 km2 (7,728 [...]