The Mississippi River carries enough sand downstream to keep Louisiana’s sinking marshes afloat for the next 600 years, according to a new study
http://www.nature.com/ngeo/journal/vaop/ncurrent/full/ngeo2142.html
The Mississippi River carries enough sand downstream to keep Louisiana’s sinking marshes afloat for the next 600 years, according to a new study
http://www.nature.com/ngeo/journal/vaop/ncurrent/full/ngeo2142.html