NHD/LLID Data Conversion Application
Version 1.2 - November 2001
Developed by the StreamNet Project, Pacific States Marine Fisheries Commission, in cooperation with the U.S. Environmental Protection Agency and the U.S. Geological Survey
Note: this application (v1.2) and related data were developed in  November 2001 and have not been updated since.  To prevent confusion with the latest NHD data and tools, these products are no longer available on line.  An archived version exists and can be made available upon request to StreamNetGIS@psmfc.org.  

For current NHD data and compatible tools please visit the NHD website