GLOSSARY OF IRRIGATION TERMS. 



Acequia Spanish name for an irrigating canal. 



Acre Foot Amount of water covering one acre, one foot 



ill depth. 



Adit A tunnel for carrying water. 

 Anchor Piles driven in a channel, upon which to rest a 



superstructure. 



Aqueduct A water conduit for long distances. 

 Artesian Self-flowing deep wells. 



Asbestine A system of underground piping used in sub- 

 irrigation. 



Azarbes Spanish term for channel. 

 Backsetting Replowing a furrow back into its original 



position ; damming streams for irrigation by percolation. 

 Ha si iis Water spaces made around trees for irrigation. 

 Bench Flume A wooden conduit laid upon benches or sill.-*. 

 Bench Mark A monument from which differences of l.-vt-l 



are measured. 



Bents Sections of framework or trellises used in flume work. 

 Berme The inner slope of embankments, so graded a> to 



prevent earth from sliding. 



Bet-oil Concrete of lime, sand and hydraulic cement. 

 Billahoilg Australian term for a lake or lagoon. 

 Border A system of ridges thrown up to hold water \\i.hin 



prescribed limits. 

 Breakwater A structure to protect works from the tmcc 



<>f waves. 

 Bulkhead The head flume of a ditch or canal ; the gate\\ ay 



at the hcadworks. 



Canal A large irrigating ditch ; the main water course. 

 < anvas Daill A coarse fal>ric apron u>ed ;i> a check ill 



laterals. 



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