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Map: Hydrologic Unit Boundaries - HUC 8

8-digit Hydrologic Unit Code (HUC) for the Chesapeake Bay watershed states level was created by dissolving huc11_hr02.The aggregate HUC-11 data set has been modified from USGS data by the Chesapeake Bay Program GIS Team to ensure edge matching and closed watersheds along state boundaries. There are a total of 506 HUC-11/watersheds for the Chesapeake Bay Basin in this aggregate data set.

Author: Emma Andrews

Date created: Feb 05 2008 / Download ( 1.57 MB )

Hydrologic Unit Boundaries - HUC 8
Keywords: watershed, HUC 8

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