Explores how these rivers (the planet's two longest rivers, which flow through African deserts and Amazon jungles) came to exist, their place in history, what makes each unusual, and environmental challenges.LEVEE REPAIR Repairing levees, or dikes, in the aftermath of a major flood can be a staggering endeavor. In , for example ... Some effective repair techniques, which have been practiced in China for centuries, are still in use today. Thoughanbsp;...
|Author||:||Laurie Burnham, Geoffrey H. Nash|
|Publisher||:||Infobase Publishing - 2007|