Portal 22:42 hr  PDT  [UT - 7]    Saturday February 4, 2012  
To refresh picture Unstable valley slope on Vitor valley, Arequipa, Peru (2007) 
910.  Contributions to SAE
920.  Travel photos
930.  Project photos
940.  Family photos (Password req'd)
950.  Other activities
960.  Tours
970.  Legacy tales
980.  Family file (Password req'd)
990.  Epilogue
Deforestation in the backlands of Ceara, Brazil Portal   Civil and Environmental   Engineering   SDSU