GLOSSARY OF IRRIGATION TERMS 



Acequia — Spanish name for an irrigating canal. 



Acre Foot — Amount of water covering one acre, one foot in 

 depth. 



Adit — A tunnel for carrying water. 



Anchor — Piles driven in a channel, upon which to rest a super- 

 structure. 



Aqueduct — A water conduit for long distances. 



Artesian — Self-flowing deep wells. 



Asbestine — A system of underground piping used in subirri- 

 gation. 



Azarbes— Spanish term for channel- 



Backsettin£[ — Replowing a furrow back into its original posi- 

 tion ; damming streams for irrigation by percolation. 



Basins — Water spaces made around trees for irrigation. 



Bench Flume — A wooden conduit laid upon benches or sills. 



Bench Mark — A monument from which differences of level are 

 measured. 



Bents — Sections of framework or trellises used in flume work. 



Bernie — The inner slope of embankments, so graded as to pre- 

 vent earth from sliding. 



Beton — Concrete of lime, sand, and hydraulic cement. 



Billabong — Australian term for a lake or lagoon. 



Border — A system of ridges thrown up to hold water within 

 prescribed limits. 



Breakwater — A structure to protect works from the force of 

 waves. 



Bulkhead — The head flume of a ditch or canal ; the gateway at 

 the headworks. 



Canal — A large irrigating ditch ; the main watercourse. 



Canvas Dam — A coarse fabric apron used as a check in laterals. 



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