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This page is meant to act as an archival repository for previous versions of the statewide National Hydrography Dataset (NHD) which includes the Watershed Boundary Dataset (WBD) released by USGS....
Search relevance: 216.76 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 06:18 PM -
Homeland Infrastructure Foundation-Level Data (HIFLD) geospatial data sets containing information on National Hydrography Dataset (NHD) Points.
Search relevance: 178.34 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 05:46 PM -
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage...
Search relevance: 176.00 | Views last month: 18 | Catalog Last Checked: November 12, 2026 at 08:19 AM -
Homeland Infrastructure Foundation-Level Data (HIFLD) geospatial data sets containing information on National Hydrography Dataset (NHD) Waterbodies - Large Scale.
Search relevance: 166.08 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 05:46 PM -
Homeland Infrastructure Foundation-Level Data (HIFLD) geospatial data sets containing information on National Hydrography Dataset (NHD) Point Events.
Search relevance: 165.85 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 05:46 PM -
Homeland Infrastructure Foundation-Level Data (HIFLD) geospatial data sets containing information on National Hydrography Dataset (NHD) Flowlines - Small Scale.
Search relevance: 165.30 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 05:46 PM -
Homeland Infrastructure Foundation-Level Data (HIFLD) geospatial data sets containing information on National Hydrography Dataset (NHD) Waterbodies - Small Scale.
Search relevance: 165.30 | Views last month: 0 | Catalog Last Checked: September 10, 2026 at 05:46 PM -
Homeland Infrastructure Foundation-Level Data (HIFLD) geospatial data sets containing information on National Hydrography Dataset (NHD) Flowlines - Large Scale.
Search relevance: 160.45 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 05:46 PM -
Homeland Infrastructure Foundation-Level Data (HIFLD) geospatial data sets containing information on National Hydrography Dataset (NHD) Lines - Small Scale.
Search relevance: 160.45 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 05:46 PM -
Homeland Infrastructure Foundation-Level Data (HIFLD) geospatial data sets containing information on National Hydrography Dataset (NHD) Areas - Small Scale.
Search relevance: 160.21 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 05:46 PM -
Homeland Infrastructure Foundation-Level Data (HIFLD) geospatial data sets containing information on National Hydrography Dataset (NHD) Lines - Large Scale.
Search relevance: 160.21 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 05:46 PM -
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage...
Search relevance: 156.03 | Views last month: 49 | Catalog Last Checked: September 10, 2026 at 09:17 PM -
This dataset contains the initial 3D Hydrography Program (3DHP) flow network topology, which is based on the final High Resolution National Hydrography Dataset (NHD), and a set of mainstem river...
Search relevance: 138.47 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 07:48 PM -
In 2012, catchments were generated in the Delaware River Basin for 8-digit HUCs in the areas underlain by the Marcellus Shale (all of 02040101, 02040102, 02040103, 02040104; and headwater areas of...
Search relevance: 102.56 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:06 PM -
The USGS National Hydrography Dataset (NHD) downloadable data collection from The National Map (TNM) is a comprehensive set of digital spatial data that encodes information about naturally...
Search relevance: 76.05 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 06:11 PM -
The U.S. Geological Survey (USGS) Oregon Water Science and Forest and Rangeland Ecosystem Science Centers have developed a spatial database of the stream network in the Willamette River Basin...
Search relevance: 65.20 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:30 PM -
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in response to the Government...
Search relevance: 63.21 | Views last month: 9 | Catalog Last Checked: November 12, 2026 at 02:54 AM -
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in response to the Government...
Search relevance: 63.21 | Views last month: 7 | Catalog Last Checked: November 12, 2026 at 02:56 AM -
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in response to the Government...
Search relevance: 63.21 | Views last month: 5 | Catalog Last Checked: November 12, 2026 at 02:57 AM -
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in response to the Government...
Search relevance: 63.21 | Views last month: 3 | Catalog Last Checked: November 12, 2026 at 02:54 AM
