Search datasets
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This layer is extracted from The High Resolution National Hydrography Dataset Plus (NHDPlus HR). This is an integrated set of geospatial data layers, including the best available National...
Search relevance: 232.09 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 06:50 PM -
This layer is a network of public ditches that cover large areas of the middle parts of the Delmarva. These ditches help drain 183,000 acres of land composed of crop land, forest land, roadways,...
Search relevance: 61.59 | Views last month: 5 | Catalog Last Checked: November 10, 2026 at 10:41 PM -
This layer is extracted from The High Resolution National Hydrography Dataset Plus (NHDPlus HR). This is an integrated set of geospatial data layers, including the best available National...
Search relevance: 61.59 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 06:50 PM -
The dataset includes results from the analysis of sediments and solids collected from receptor sites receiving runoff from adjacent parking lots and other paved surfaces. Receptor sites include...
Search relevance: 51.72 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 09:19 PM -
Connecticut Hydrography Set: Connecticut Hydrography Line includes the line features of a layer named Hydrography. Hydrography is a 1:24,000-scale, polygon and line feature-based layer that...
Search relevance: 48.44 | Views last month: 5 | Catalog Last Checked: September 10, 2026 at 06:40 PM -
Connecticut Hydrography Set: Connecticut Hydrography Line includes the line features of a layer named Hydrography. Hydrography is a 1:24,000-scale, polygon and line feature-based layer that...
Search relevance: 47.34 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 06:39 PM -
Connecticut Hydrography Set: Connecticut Hydrography Line includes the line features of a layer named Hydrography. Hydrography is a 1:24,000-scale, polygon and line feature-based layer that...
Search relevance: 47.34 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 06:42 PM -
Named Waterbody is a 1:24,000-scale, polygon and line feature-based layer that includes all named waterbodies depicted on the U.S. Geological Survey (USGS) 7.5 minute topographic quadrangle maps...
Search relevance: 41.21 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 06:40 PM -
Named Waterbody is a 1:24,000-scale, polygon and line feature-based layer that includes all named waterbodies depicted on the U.S. Geological Survey (USGS) 7.5 minute topographic quadrangle maps...
Search relevance: 41.21 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 06:41 PM -
Named Waterbody is a 1:24,000-scale, polygon and line feature-based layer that includes all named waterbodies depicted on the U.S. Geological Survey (USGS) 7.5 minute topographic quadrangle maps...
Search relevance: 41.21 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 06:42 PM -
The U.S. Geological Survey South Atlantic Water Science Center, in cooperation with the South Carolina Department of Transportation, implemented a South Carolina StreamStats application in 2018....
Search relevance: 39.88 | Views last month: 7 | Catalog Last Checked: September 10, 2026 at 10:46 PM -
Vegetation types in the study area were initially identified using information obtained from previous vegetation mapping efforts in the Carnegie SVRA (HDR 2004, Jones and Stokes 2000, DPR 1980)...
Search relevance: 20.39 | Views last month: 2 | Catalog Last Checked: October 24, 2026 at 08:48 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: 12.11 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 06:11 PM
