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A shapefile of 311 undersea features from all major oceans and seas has been created as an aid for retrieving georeferenced information resources. Version 1.1 of the data set also includes a...
Search relevance: 1.00 | Views last month: 50 | Catalog Last Checked: September 10, 2026 at 08:33 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: 1.00 | Views last month: 49 | Catalog Last Checked: September 10, 2026 at 09:17 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: 23 | Catalog Last Checked: September 10, 2026 at 06:42 PM -
Groundwater quality data and related groundwater well information available on the page was queried from the GAMA Groundwater information system (**[GAMA...
Search relevance: 1.00 | Views last month: 20 | Catalog Last Checked: September 10, 2026 at 06:11 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: 11 | Catalog Last Checked: September 10, 2026 at 06:39 PM -
The site characterization data used to develop the conceptual geologic model for the Snake River Plain site in Idaho, as part of phase 1 of the Frontier Observatory for Research in Geothermal...
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National-scale geologic, geophysical, and mineral resource raster and vector data covering the United States, Canada, and Australia are provided in this data release. The data were compiled as...
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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: September 10, 2026 at 06:41 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),...
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During 2015-17, the U.S. Geological Survey (USGS), in cooperation with the U.S. Department of Agriculture Forest Service (USDA FS), carried out a study to characterize the hydrology and water...
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This layer displays coastal and offshore marine place names. These are general names for areas of the sea as published on the NOAA Nautical Charts. Different marine place names are displayed...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: August 02, 2026 at 11:43 PM -
This digital GIS dataset and accompanying nonspatial files synthesize model outputs from a regional-scale volumetric 3D geologic model that portrays the generalized subsurface geology of the...
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This dataset is the digital hydrologic unit boundary layer for the 8-digit subwatershed boundaries for the conterminous United States. This dataset is intended to be used with the following two...
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This submission contains several shapefiles used for a deterministic PFA, as well as a heat composite risk segment with union overlay, and training sites used for weights of evidence. More...
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This USGS data release represents the data from the following publication: Maurer, D.K., 2011, Geologic framework and hydrogeology of the middle Carson River Basin, Eagle, Dayton, and Churchill...
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Connecticut Quaternary Geology Geologic Basin Divides includes the drainage basins divides appearing on Sheet 1 of the The Quaternary Geologic Map of Connecticut and Long Island Sound Basin (Stone...
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Reliable estimates of the magnitude and frequency of floods are an important part of the framework for hydraulic-structure design and flood-plain management in Georgia, South Carolina, and North...
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See full Data Guide here. Drainage Basin Set: Connecticut Drainage Basins is 1:24,000-scale, polygon and line feature data that define natural drainage areas in Connecticut. These are small basin...
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This U.S. Geological Survey data release contains data for Smith and Mason Valleys, California and Nevada, from the 2009 publication: Lopes, T.J.,and Allander, K.K., 2009, Hydrologic Setting and...
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This dataset contains results of generalized least-squares (GLS) regression conducted to develop equations to estimate streamflows corresponding to the 0.2, 0.5, 1, 2, 4, 10, 20, and 50-percent...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 08:57 PM
