2,121
edits
Changes
Jump to navigation
Jump to search
Line 75:
Line 75: − + − +
→External references
==Gallery==
==Gallery==
{{:Check dams: Gallery}}
{{:Check dams: Gallery}}
==External references==
==External References==
[http://www.fao.org/docrep/006/ad082e/AD082e02.htm FAO]
[http://www.fao.org/docrep/006/ad082e/AD082e02.htm Food and Agriculture Organization (FAO) Conservation Guide of the United Nations]
[[Category:Calculations]]
[[Category:Calculations]]