Portal 05:33 hr  PDT  [UT - 7]    Tuesday November 24, 0000   About Numbered New Subdomains Search/Index Contact Us Contact Us 100.  General 200.  Research 300.  Publishing 400.  Learning 500.  Biodata 600.  Restricted 700.  Reports 800.  Lectures 900.  Personal To refresh picture Bank erosion on the Rio Apa, on the border between Brazil and Paraguay (1992)  810.  Civil Engineering and Society 820.  Applied hydraulics 830.  Applied hydrology 840.  Civil engineering design 850.  Open-channel hydraulics 860.  Computational hydraulics 870.  Environmental hydrology 880.  Surface-water hydrology 890.  Special lectures Mouth of Ojos Negros Creek, in the Ojos Negros valley, Baja California, Mexico Portal   Civil and Environmental   Engineering   SDSU