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GIS.NY.GOV

NYS ITS GIS Program Office

Geographic Information Systems Clearinghouse

GIS Data Set Details

Data Set Name Description Theme Metadata
Hydrologic Units The United States is divided and sub-divided into successively smaller hydrologic units which are classified into four levels: regions, sub-regions, accounting units, and cataloging units. The hydrologic units are arranged within each other, from the smallest (cataloging units) to the largest (regions).   Hydrography
Metadata

Supporting Documentation

 

Contact Information:

John G. Van Hoesen
425 Jordan Road
Troy, New York  12180

PH: 518-285-5710
jvanhoesen@usgs.gov E-Mail