Reprojected to Stateplane Coordinates by Daniel J. Daugherty. Reviewed by Daniel J. Daugherty. 21 July 1997. Refer to USGS for information on codeset definitions. Refer to USGS homepage on Hydrologic Units.
Limitations are generally user-defined.
Attribute accuracy is described, where present, with each attribute defined in the Entity and Attribute Section. Area of unit in acres.