SDSU Faculty Profile - Dr. Victor Miguel Ponce - Learning Environmental - Oxidation pond design - Wilhelm-Werner equation - Tragedy of the Commons
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430. ENVIRONMENTAL HYDROLOGY
[151107]


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  1. 42201.  Ecohidrologia Avanzada (ESPOCH)

SCIENTIFIC AMERICAN SEPTEMBER 1970 ISSUE ON THE ENVIRONMENT

 

 
Double-vault dry sanitary or ecological latrine

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Double-vault dry sanitary or ecological latrine used in Vietnam, Mexico and Guatemala.