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drainage
Improving the productivity of agricultural land by removing excess water from the soil by such means as ditches or subsurface drainage tiles.
Ãâó: www.epa.gov/OCEPAterms/dterms.html
draft
1. The act of drawing or removing water from a tank or reservoir. 2. The water which is drawn or removed.
Ãâó: www.epa.gov/OCEPAterms/dterms.html
drain
a trench or trough-like excavation made to collect water. A drain collects and conveys water (a ditch may only serve to collect water). A gutter is a paved drain commonly built in conjunction with the curbs of the roadway or closely adjacent to the paved portion of the roadway
Ãâó: www.globalsecurity.org/military/library/policy/arm...
drainage
a construction or appliance that intercepts and removes water
Ãâó: www.globalsecurity.org/military/library/policy/arm...
drainage
A natural system of drains that channel surface water.
Ãâó: www.nps.gov/grsa/resources/curriculum/glossary.htm
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