Portal 22:44 hr  PDT  [UT - 7]    Saturday February 4, 2012  
To refresh picture Ongoing failure of slope at Vítor Valley, Arequipa, Perú (2007).  
710.  Parana-Paraguay Waterway
720.  Ojos Negros Valley
730.  Alamar Creek
740. Tecate Creek
750.  Vitor Valley
760.  La Leche River
770.  Groundwater Sustainability
780.  Hydrology of Tierra del Sol
790.  Campo Landfill
Roman aqueduct at Segovia, Spain Portal   Civil and Environmental   Engineering   SDSU