12 Digit Watershed Boundary Data 1:24,000 for Southeast Alaska

This data set is a complete digital hydrologic unit boundary layer to the Subwatershed (12-digit) 6th level for the entire United States. This data set consists of geo-referenced digital data and associated attributes created in accordance with the "Federal Guidelines, Requirements, and Procedures for the National Watershed Boundary Dataset; Chapter 3 of Section A, Federal Standards, Book 11, Collection and Delineation of Spatial Data; Techniques and Methods 11-A3" (04/01/2009). http://www.ncgc.nrcs.usda.gov/products/datasets/watershed/index.html . Polygons are attributed with hydrologic unit codes for 4th level sub-basins, 5th level watersheds, 6th level subwatersheds, name, size, downstream hydrologic unit, type of watershed, non-contributing areas and flow modification.

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Status: Complete
Start Date: 1979/12/31
Type: Data
Primary Contact
Nechero, Steve
Cartographer, Technology Applications Team Lead
Email: Steven.Nechero@ftw.usda.gov
Work: (817) 509-3366
Other Contacts
Southeast Alaska GIS Library

Source Portal
Southeast Alaska Science Catalog ::

Direct Record Link
  • 706fe41b6f8121310644a62c6ab08a52
    Updated by Vanessa
    2015-09-18 12:10:17 -0800
  • Import completed 2014-05-19 11:00:34 -0800
    2014-05-19 11:00:34 -0800