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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: 1.00 | Views last month: 49 | Catalog Last Checked: September 10, 2026 at 09:17 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: 1.00 | Views last month: 24 | Catalog Last Checked: November 12, 2026 at 03:04 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: 1.00 | Views last month: 23 | 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: 1.00 | Views last month: 20 | 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: 1.00 | Views last month: 19 | Catalog Last Checked: November 12, 2026 at 02:53 AM -
Wetland restoration efforts conducted by the Coastal Wetlands Planning, Protection and Restoration Act (CWPPRA) in Louisiana rely on monitoring to determine the efficacy of these projects. The...
Search relevance: 1.00 | Views last month: 19 | Catalog Last Checked: September 10, 2026 at 10:05 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: 1.00 | Views last month: 16 | 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: 1.00 | Views last month: 15 | Catalog Last Checked: November 12, 2026 at 03:01 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: 1.00 | Views last month: 14 | Catalog Last Checked: November 12, 2026 at 03:01 AM -
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National representation of HU...
Search relevance: 1.00 | Views last month: 14 | Catalog Last Checked: October 06, 2026 at 11:15 PM -
Wetland restoration efforts conducted by the Coastal Wetlands Planning, Protection and Restoration Act (CWPPRA) in Louisiana rely on monitoring to determine the efficacy of these projects. The...
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: September 10, 2026 at 08:51 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: 1.00 | Views last month: 12 | Catalog Last Checked: November 12, 2026 at 03:02 AM -
The National Park Service (NPS) in response to the growing evidence and awareness of the effects of climate change on federal lands determined that monitoring wetland elevation change is a top...
Search relevance: 1.00 | Views last month: 12 | 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: 1.00 | Views last month: 12 | Catalog Last Checked: November 12, 2026 at 02:57 AM -
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National representation of HU...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: October 06, 2026 at 11:15 PM -
The Scribe Database Collection includes 14 databases containing data from the Deepwater Horizon (DWH) Oil Spill Event Response Phase. These databases are the work of federal agencies, state...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: November 03, 2026 at 04:16 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: 1.00 | Views last month: 11 | Catalog Last Checked: November 12, 2026 at 03:04 AM -
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National representation of HU...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: October 06, 2026 at 11:14 PM -
Low-altitude (80 and 100 meters above ground level) digital images were taken over an area of the Plum Island Estuary and Parker River National Wildlife Refuge (NWR) in Massachusetts using 3DR...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: September 10, 2026 at 09:33 PM -
Wetland restoration efforts conducted by the Coastal Wetlands Planning, Protection and Restoration Act (CWPPRA) in Louisiana rely on monitoring efforts to determine the efficacy of these efforts....
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: September 10, 2026 at 08:23 PM
