1:100,000 River Reach File System, Version 2.4

	Includes frequently asked questions, projection information and attributes definitions
	Stream data conversion tool (NHD/LLID) plus links to useful freeware
	Links to files in ZIP and TAR formats. Includes information on huc's, llids's and streams
	Register as a 100k user to be informed of future updates and new features
	Includes hydrologic and accounting unit boundary files in ARC Export format
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