Codes for the Identification of the States, the District of Columbia and the Outlying Areas of the United States, and Associated Areas, FIPS 5-2. Linear water features in the United States. The representation of the entity in the data. The length of the arc in coverage units. A naturally occurring line of contact between a body of water and the land.
Conditions prevent the feature from being confidently positioned.
Aqueduct A structure designed to transport domestic or industrial water from a supply source to a distribution point, often by gravity. A stream or river that flows in an intricate network of interlacing channels. Canal An artificial open waterway constructed to transport water, to irrigate or drain land, to connect two or more bodies of water, or to serve as a waterway for water craft. Closure Line A line separating two different water features. Dam A barrier constructed to control the flow or raise the level of water.