Notes: Prices are in nominal dollars. Gas volumes delivered for use as vehicle fuel are included in the State annual totals through 2009 but not in the State monthly components. Through 2001, electric power price data are for regulated electric utilities only; beginning in 2002, data also include nonregulated members of the electric power sector. Gas volumes delivered for use as vehicle fuel are included in the State annual totals through 2009 but not in the State monthly components.
Confidence votes 10. A drainage basin is naturally occurring drainage of land that channels precipitation and excess water to a river or stream. To read more visit the Related Link. <br /> A drainage basin is naturally occurring drainage of land that channels precipitation and excess water to a river or stream.
Drainage basin: The area drained by a river and its tributaries. A drainage basin is considered to be an open system because water can be added or lost from a drainage basin.