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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: 56 | Catalog Last Checked: August 01, 2026 at 04:42 AM -
This dataset contains address and telephone information for Social Security Hearing Offices. The Social Security Administration's (SSA) administrative appeals operation is one of the largest...
Search relevance: 1.00 | Views last month: 32 | Catalog Last Checked: June 27, 2026 at 05:53 AM -
The USGS 3D Hydrography Program (3DHP) ArcGIS REST service (3DHP_all) from The National Map is the first of several data services that will be delivered by the 3D Hydrography Program. The...
Search relevance: 1.00 | Views last month: 20 | Catalog Last Checked: August 02, 2026 at 05:32 PM -
This is a boundary file showing the catchment area for which each of the 6 DCF Regions is responsible. Catchment areas are comprised of complete Towns, but not necessarily complete Zip Codes. Data...
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: August 02, 2026 at 05:28 PM -
The Sea Turtle Stranding and Salvage Network (STSSN) was formally established in 1980 to collect information on and document the stranding of marine turtles along the U.S. Gulf of Mexico and...
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: August 02, 2026 at 12:48 PM -
The High Resolution National Hydrography Dataset Plus (NHDPlus HR) is an integrated datset of geospatial data layers, including the most current National Hydrography Dataset (NHD),...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: August 01, 2026 at 04:09 AM -
The USGS 3D Hydrography Program (3DHP) ArcGIS REST service (3DHP_all) from The National Map is the first of several data services that will be delivered by the 3D Hydrography Program. The...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: August 02, 2026 at 05:29 PM -
A survey of sediment toxicity was carried out by NOAA's National Status and Trends Program in the coastal bays that surround Long Island Sound in New York and Connecticut. The survey objectives...
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Chemistry, fish species, atmospheric pollutants, and temperature profile were collected using CTD casts and other collection methods in the Southern California Bight from 28 April 1977 to 04 March...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: August 03, 2026 at 01:22 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: 8 | Catalog Last Checked: August 02, 2026 at 05:31 PM -
The USGS 3D Hydrography Program (3DHP) ArcGIS REST service (3DHP_all) from The National Map is the first of several data services that will be delivered by the 3D Hydrography Program. The...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: August 02, 2026 at 05:30 PM -
The USGS 3D Hydrography Program (3DHP) ArcGIS REST service (3DHP_all) from The National Map is the first of several data services that will be delivered by the 3D Hydrography Program. The...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: August 02, 2026 at 05:32 PM -
This study was based on the sediment quality triad (SQT) approach. A stratified probabilistic sampling design was utilized to characterize the Chesapeake Bay system in terms of chemical...
Search relevance: 1.00 | Views last month: 7 | Catalog Last Checked: August 02, 2026 at 04:57 PM -
The 2025 cartographic boundary shapefiles are simplified representations of selected geographic areas from the U.S. Census Bureau's Master Address File / Topologically Integrated Geographic...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: August 01, 2026 at 04:37 AM -
This study was based on the sediment quality triad (SQT) approach. A stratified probabilistic sampling design was utilized to characterize the Delaware Bay system in terms of chemical...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 02, 2026 at 04:57 PM -
Features in the TAZ ranger districts dataset represent individual USFS Ranger Districts or USFS Administrative Forests Boundaries which compose a stumpage market. The schema of this dataset is a...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 01, 2026 at 05:00 AM -
An area encompassing all the National Forest System lands administered by an administrative unit. The area encompasses private lands, other governmental agency lands, and may contain National...
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The toxicity of sediments in Pensacola, Choctawhatchee, St. Andrew and Apalachicola Bays was determined as part of bioeffects assessments performed by NOAA's National Status and Trends Program....
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 02, 2026 at 04:57 PM -
The AIDS Public Information Data Set (APIDS) for years 1981-2002 on CDC WONDER online database contains counts of AIDS (Acquired Immune Deficiency Syndrome) cases reported by state and local...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: July 31, 2026 at 10:03 PM -
This dataset contains the Pacific Reef Assessment and Monitoring Program (RAMP) carbonate chemistry data from American Samoa, Pacific Remote Island Areas, Guam and the Commonwealth of the Northern...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 03, 2026 at 03:52 AM
