Huc8

Watershed Boundary Dataset Map (Public domain.) The Watershed Boundary Dataset (WBD) is a seamless, national hydrologic unit dataset. Hydrologic units represent the area of the landscape that drains to a portion of the stream network. More specifically, a hydrologic unit defines the areal extent of surface water drainage to an outlet point on a ...

HUC8 Boundaries. IndianaMap GIO. IndianaMap Summary. The Watershed and Subwatershed hydrologic unit boundaries provide a uniquely identified and uniform method of ... Mar 3, 2023 · Water Quality Assessment (ATTAINS) Information System. Contact Us to ask a question, provide feedback, or report a problem. Last updated on March 3, 2023. Site is one of EPA's 3 main watershed methods/tools/data websites: healthy watersheds, recovery potential, and watershed index online, under watershed analysis Drupal resource directory. The problem here is that in the subquery you have aliased as M you are doing SELECT *, and the two tables involved in the join both have a Type column. SQL Server is rightfully complaining that it doesn't know which Type column you want to select.. You only use a single type column from your subquery, and the join condition ensures …HU-308 (also known as onternabez, HU308, PPP-003 and ARDS-003) is a cannabidiol (CBD)-derivative drug [citation needed] that acts as a potent cannabinoid agonist. It is highly selective …Zoom in to see more detail (e.g. jurisdiction boundaries). Use choices below to search by address, XY (longitude and latitude) or by hydrologic unit name, code ...The GIS Facility, in cooperation with the Iowa DNR, has edgematched all practice features with their neighboring HUC12s within their HUC8. This has also been done across HUC 8 boundaries. The edgematching process entailed clipping the features at the HUC12 boundary and then a staff person adjusted edge features so they line up with an adjacent ...Ohio Mussel Species by HUC-8 (2022). This list contains all mussel species known from the state of Ohio which have at least one identified voucher specimen in ...The USGS Earthquake Hazards Program monitors and reports earthquakes, assesses earthquake impacts and hazards, and researches the causes and effects of earthquakes.This project visualizes the Real Time Earthquakes from USGS using D3 and Leaflet. d3 real-time heatmap leaflet earthquakes usgs-api earthquake-visualization.

Oct 2019. There is nothing bad to say about this! The Highway 112 aka Kancamagus Highway from Conway to North Woodstock is just over 30 miles of nothing but pure, wonderful vistas and places to see. Our fall foliage trip was completely made when we drove along this scenic highway in the White Mountain National Park.get_huc8() Find WBD HUC 08 unit subsets (DEPRECATED) get_nhdarea() Find NHD Areas. get_waterbodies() Find NHD Water Bodies. get_nwis() Discover USGS NWIS Stream Gages. …The nhdplusTools package is intended to provide a reusable set of tools to subset, relate data to, and generate network attributes for U.S. NHDPlus data. General, globally applicable functionality has been moved to hydroloom. nhdplusTools implements a data model consistent with both the NHDPlus dataset and the HY_Features data model.The Watershed and Subwatershed hydrologic unit boundaries provide a uniquely identified and uniform method of subdividing large drainage areas. The smaller sized 6th level sub …First, let’s download an example shapefile (a polygon) of a HUC8 from western Pennsylvania, using the sbtools package to access ScienceBase. The st_read function from the sf (for “simple features”) package reads in the shapefile. We will be using sf throughout these examples to manipulate the points and polygon for the gages and HUC.The runoff values and associated weighting factors for all basins with any overlapping area with a HUC8 are combined, and a single weighted-average runoff value is computed for the HUC8. The weighted-average runoff computations illustrated in the figure were repeated for all combinations of the roughly 6,000 basins and 2,100 hydrologic ... The Omnibus Public Land Management Act of 2009 (Public Law 111-11) was passed into law on March 30, 2009. Sub-title F of the law, also known as the SECURE (Science and Engineering to Comprehensively Understand and Responsibly Enhance) Water Act, calls for the establishment of a “national water availability and use …HUC 8 maps the subbasin level, analogous to medium-sized river basins (about 2200 nationwide, pictured in red in the image); and HUC 12 is a more local sub ...

huc 8, watershed. Bookmarked by 3 Members. HUC 8 watersheds for Western US and SE US.From Tasks Tab choose a Landscape type to Query. This query will return the Average Percent Landscape Type of your choice across all HUC8s in Pennsylvania. Enter the Attribute Criteria Values for the Average Landscape Percentage you wish to search for. In this case, we will search for HUC8's with Average Percent Forested Land between 70 - 80%. Feb 25, 2003 · Postal_Code: 30334. Country: USA. Contact_Voice_Telephone: 404-651-8482. Contact_Facsimile_Telephone: 404-651-9590. Contact_Electronic_Mail_Address: [email protected] List of Acronyms: DNR – Georgia Department of Natural Resources DNR EPD - Georgia Department of Natural Resources, Environmental Protection Division DNR EPD GSB - Georgia ... Apr 12, 2023 · The larger HUC8 level, whose units average 1400 square miles, is also sometimes used in RPS for broad, first cut screenings across large areas. Some custom state tools include the HUC8 scale along with HUC12. At the small end of nationally available watershed-related units are the NHDPlus catchments which average about a square mile in area ...

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HUC8#_Models.zip : HEC-RAS hydraulic models for all streams studied in Base Level Engineering assessment. Use HOW2 Find the Right HEC-RAS Model for tips to find the model you need. 1% event depths, raster : HUC8#_Depth01.zip : Flood depth elevations in a gridded format for the 1% storm event. 0.2% event depths, raster : HUC8#_Depth002.zipThe Hydrography Addressing Tool, or HydroAdd, is a web-based tool that allows users to address data to the National Hydrography Dataset (NHD). The addressing process also spatially joins some NHD flowline attributes to data features being addressed. Because HydroAdd is a web-based tool, multiple users can collaborate on shared projects.Feb 25, 2003 · Postal_Code: 30334. Country: USA. Contact_Voice_Telephone: 404-651-8482. Contact_Facsimile_Telephone: 404-651-9590. Contact_Electronic_Mail_Address: [email protected] List of Acronyms: DNR – Georgia Department of Natural Resources DNR EPD - Georgia Department of Natural Resources, Environmental Protection Division DNR EPD GSB - Georgia ... Jul 3, 2023 · HUC8 Scale Indicator Data by EPA Region - Updated May 2020. WSIO HUC8 Indicator Data for EPA Region 1 (includes CT, ME, MA, NH, RI, VT) (xlsx) WSIO HUC8 Indicator Data for EPA Region 2 (includes NJ, NY) (xlsx) WSIO HUC8 Indicator Data for EPA Region 3 (includes PA, WV, VA, MD, DE, DC) (xlsx) Larger changes were found in rankings for P, with the average absolute change in main RB rankings by 1.3 places, state rankings by 1.9 places, and HUC8 rankings by 69 places. The relatively large change in the HUC8 rankings is not surprising given the small differences in yields among basins and the wide confidence limits in delivered yields.Science in Your Watershed. The key to finding watershed information is the unique 8-digit Hydrologic Unit Code for each watershed. You can also find your watershed from "Science in …

Jun 22, 2021 · The NCCV allows users to visualize projected changes in climate (maximum and minimum air temperature, precipitation, vapor pressure deficit) and the water balance (snow water equivalent, runoff, soil water storage, and evaporative deficit) for any state, county and USGS Hydrologic Units (HUC4 and HUC8) using a variety of graphics and tools. You may want to look into this Merge Geodatabases tool which is an ArcGIS Script Tool.. Note: this tool requires an active ArcGIS license. Merge one or more geodatabases with matching schemas into a single target geodatabase.Science in Your Watershed - (03) South Atlantic Gulf Region. Home. Locate Your Watershed (Legacy 8-digit HUC) Locate Your Watershed by 12-digit HUC. Links By Watershed Information Discovery. Active Projects. Databases. Publications. Reports.3 Eylül 2016, 10:59. 8. sınıf öğrencileri hücre bölünmesi ile ilgili testleri ve soruları çözerek sınavlarda başarılı olabilir teog'da istediği yeri kazanabilirler.9 Mar 2023 ... This polygon file depicts USGS Hydrologic Unit Code 8 (HUC8) boundaries intersecting Kansas. See https://www.usgs.gov/national-hydrography ...The Wetlands Mapper 'Get Data' button allows data to be downloaded by HUC8 watershed or by State. The State Downloads page allows data to be downloaded by state. Download by HUC8 Watershed Download by State Viewing Data. You can view the Geodatabase and Shapefiles by using ESRI's ArcGIS Explorer free software, among others.Locate Your Watershed. Click on the Map Above to View a Particular Region. • Try the new Watershed Finder Menu Interface. USGS Water. Science in Your Watershed. Surf Your Watershed. Know Your Watershed. HELP! Locate Your Watershed Mapping Interface for Science in Your Watershed of the U.S. Geological Survey. Watershed Boundary Dataset Map (Public domain.) The Watershed Boundary Dataset (WBD) is a seamless, national hydrologic unit dataset. Hydrologic units represent the area of the landscape that drains to a portion of the stream network. More specifically, a hydrologic unit defines the areal extent of surface water drainage to an outlet point on a ...Cross Creek (Cape Fear River tributary) / 35.13111°N 78.94250°W / 35.13111; -78.94250. / 35.05111°N 78.85694°W / 35.05111; -78.85694. Cross Creek is a 9.70 mi (15.61 km) long 4th order tributary to the Cape Fear River in …Leaflet. HUC8 Watershed - Georgia State Protected. Darker shading = more elements per unit polygon.on Feb 26, 2021. This ties to #179. I am wrapping up the HUC discovery by AOI work. I will provide a function get_huc. That follows the conventions of the other get_* family functions. get_huc = function (AOI, level...wbd (MapServer) View In: ArcGIS JavaScript ArcGIS Online Map Viewer ArcGIS Earth ArcMap ArcGIS Pro. View Footprint In: ArcGIS Online Map Viewer. Service Description: 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 ...

Last update: 2012-2013 (HUC8 and HUC10); 2013 (HUC12) National Land Cover Dataset. The 2011 National Land Cover Database (NCLD) produced by the Multi-Resolution Land Characteristics Consortium (MRLC) is a map of land cover classified into 16 classes with a spatial resolution of 30 meters. This dataset was developed using unsupervised spectral ...

Description. HUC 8, 10 and 12 hydrologic units in Ohio. Zooming into the map will show surface water monitoring stations (EA3), aquatic life use designations for streams and rivers, and NPDES individual permits.03/20/00 Updated coverage polygon labels with NJPDES labels. Added HUC4, HUC6, HUC8, WREGION, WR-NAME, WMA_NAME and WMNAME items and updated them to DWM specifications. 03/27/00 Added a new HUC11 line to split offshore HUC11 02040302910 in order to add 02040302920. Updated HUCDIV lintypes for altered area. Update HUC14 d_swid codes for 4 polygons.This document establishes Federal standards and procedures for creating the WBD as seamless and hierarchical hydrologic unit data, based on topographic and hydrologic features at a 1:24,000 scale (Alaska at 1:63,360 and Caribbean at 1:25,000) Sources/Usage: Public Domain. Watershed Boundary Dataset Map (Public domain.)The goal of the Iowa BMP (Best Management Practices) Mapping Project is to provide a complete baseline set of BMPs dating from the 2007-2010 timeframe for use in watershed modeling, historic occurrence, and future practice tracking. The BMPs mapped are: Terraces, Water and Sediment Control Basins (WASCOB), Grassed Waterways, Pond Dams, Contour ... Abstract: This dataset is a representation of Hydrologic Unit Code (HUC) boundaries at the HUC8 level compiled from U.S. Geological Survey (USGS) National Hydrography Dataset (NHD) and U.S. Department of Agricultural (USDA) National Resources Conservation Services (NRCS) Watershed Boundary Dataset (WBD) sources.The Watershed and Subwatershed ... 2 Oca 2023 ... Expanded set of calibrated model parameters with national calibration at the. HUC8 and HUC12 levels. (ongoing). New Modeling Functionality.New Mexico’s RPS Tool contained nearly 400 indicators with full statewide coverage at HUC12, HUC8, or both scales. The four scenarios demonstrated at HUC8 and HUC12 scales addressed urban point sources, urban non-point sources, rural point sources and rural non-point sources. Go to RPS of New Mexico Watersheds in Support of …Identification_Information: Citation: Citation_Information: Originator: Delaware River Basin Commision Publication_Date: 2001 Title: HUC 8 Watersheds Geospatial_Data_Presentation_Form: vector digital dataScience in Your Watershed. The key to finding watershed information is the unique 8-digit Hydrologic Unit Code for each watershed. You can also find your watershed from "Science in Your Watershed" by using the Locate Watersheds Map Interface. USGS Water. Science in Your Watershed.

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3 Eylül 2016, 10:59. 8. sınıf öğrencileri hücre bölünmesi ile ilgili testleri ve soruları çözerek sınavlarda başarılı olabilir teog'da istediği yeri kazanabilirler.Huc 8 watershed boundaries of Iowa. Map created by Chant Eicke, EarthView Environmental Inc. Data courtesy Iowa GIS Library.The County Natural Heritage Inventories (CNHI) have been systematic studies of the critical biological resources of the state, county by county. The primary focus of CNHIs has been on species of concern: those plants, animals, natural communities, and habitats most at risk of extinction at the global or local level.DNDC performs process-based simulations of nitrogen and carbon dynamics in agroecosystems. Based on environmental drivers (inputs like soil characteristics, temperature and precipitation data, crop characteristics, and crop management) the model predicts crop growth and yield, soil organic carbon (SOC) changes (loss vs. …visualize projected changes in climate (maximum and minimum air temperature, precipitation, vapor pressure deficit) and water balance (snow water equivalent, runoff, soil water storage, and evaporative deficit) for any state, county and USGS Hydrologic Units (HUC4 and HUC8) using a variety of graphics and tools.HUC8 & HUC12 Watersheds: HUC reference layers for both HUC8 and HUC12s. This is the most up-to-date layer from USGS. Note- HUC12 are being updated across the US including NY. It may take time to update and cross reference historical HUCs, please utilize this tool for grant related work. Use the 'search for HUC12' bar in the upper right hand corner to …get_huc8: Find WBD HUC 08 unit subsets (DEPRECATED) get_hydro_location: Get Hydro Location; get_levelpaths: Get Level Paths; get_nhdarea: Find NHD Areas; get_nhdplus: Get National Hydrography Dataset V2 Subsets... get_nhdplushr: Get NHDPlus HiRes; get_nldi_basin: Get NLDI Basin Boundary; get_nldi_characteristics: …Locate Your Watershed. Click on the Map Above to View a Particular Region. Try the new Watershed Finder Menu Interface. USGS Water. Science in Your Watershed. Surf Your Watershed. Know Your Watershed. HELP! Locate Your Watershed Mapping Interface for Science in Your Watershed of the U.S. Geological Survey.The HUC8, HUC10, and HUC12 datasets are displayed in this map. The HUC is a hierarchical, numeric code that uniquely identifies hydrologic units. Hydrologic units are subdivisions of watersheds nested from largest to smallest areas and are used to organize hydrologic data. HUCs are constructed as follows: The first two digits identify the region, …Data Basin is a science-based mapping and analysis platform that supports learning, research, and sustainable environmental stewardship.Water Quality Assessment (ATTAINS) Information System. Contact Us to ask a question, provide feedback, or report a problem. Last updated on March 3, 2023. Site is one of EPA's 3 main watershed methods/tools/data websites: healthy watersheds, recovery potential, and watershed index online, under watershed analysis Drupal resource …The U.S. is sub-divided into successively smaller hydrologic units which are classified into four levels: regions, sub-regions, accounting units, and cataloging units. Each … ….

Data Basin is a science-based mapping and analysis platform that supports learning, research, and sustainable environmental stewardship.HUC8 and HUC11 hydrologic unit watersheds in. New Jersey. A watershed is defined as an area which drains to a common location. Watersheds may be defined on ...For the case studies, we chose seven distinct HUC8 watersheds across the 48 contiguous states to represent a wide variety of geographic, land cover, and hydrologic conditions (Figure 1, Table 1). The seven basins range in size from the 1,700 km 2 lower Columbia River in the Pacific Northwest to the 7,900 km 2 Little Snake River on the …HUC8 Boundaries. IndianaMap GIO. IndianaMap Summary. The Watershed and Subwatershed hydrologic unit boundaries provide a uniquely identified and uniform method of ...In EcoAtlas, users can generate a Landscape Profile report based on a selected HUC8, HUC10, or HUC12 boundary, as well as display these hydrologic regions as an overlay. For more information visit the USGS website: https://nhd.usgs.gov/wbd.html. Last update: 2012-2013 (HUC8 and HUC10); 2013 (HUC12) National Land Cover Dataset 2. I have solved it by my self, Actually what I have done is after uploading my dataset in Google Earth Engine code editor. I forgot to give the read access to every one. Steps : Just goto the Asset tab of JavaScript Code editor. Click on the Asset name as mine is TS_POP. Then Share it and click the checkbox 'Anyone can read' . Then click on Done.A two-dimensional representation of all streams within the State of Minnesota, with associated attributes. This data set is built on the 24,000 National Hydrography Dataset. Streams are segmented into reaches based on hydrological, physical, and political boundaries. Each individual reach has a unique ID consisting of the HUC8+three digits.County-scale data were converted to HUC8-scale data by rasterizing county-scale data to 30 arcsecond resolution (∼1 km × ∼ 1 km at the equator) and summarizing by HUC8 using the Zonal Statistics tool in ArcMap 10.0. We estimated the spatial distributions of wastewater and inorganic N deposition to the US using the following methods.This map shows information on drainage and hydrography in the form of U.S. Geological Survey hydrologic unit boundaries for water-resource 2-digit regions, 4-digit subregions, 6-digit basins (formerly called accounting units), 8-digit subbasins (formerly called cataloging units), 10-digit watershed, and 12-digit subwatersheds in Mississippi. Huc8, The NCCV allows users to visualize projected changes in climate (maximum and minimum air temperature, precipitation, vapor pressure deficit) and the water balance (snow water equivalent, runoff, soil water storage, and evaporative deficit) for any state, county and USGS Hydrologic Units (HUC4 and HUC8) using a variety of graphics and tools., Instead of calculating the entire boundary, APPEND will merge the boundary of the new raster datasets with the existing boundary. OVERWRITE — Recompute the boundary in its entirety. APPEND — Append the perimeter of footprints to the existing boundary. This can save time when adding additional raster data to the mosaic dataset, as the entire ..., Description. HUC 8, 10 and 12 hydrologic units in Ohio. Zooming into the map will show surface water monitoring stations (EA3), aquatic life use designations for streams and rivers, and NPDES individual permits. , Locate Your Watershed (Legacy 8-digit HUC) Locate Your Watershed by 12-digit HUC. Links By Watershed Information Discovery. Active Projects. Databases. Publications. Reports. Data Integration: Watersheds., Leaflet. HUC8 Watershed - Georgia State Protected. Darker shading = more elements per unit polygon. , get_huc8() Find WBD HUC 08 unit subsets (DEPRECATED) get_nhdarea() Find NHD Areas. get_waterbodies() Find NHD Water Bodies. get_nwis() Discover USGS NWIS Stream Gages. …, The Omnibus Public Land Management Act of 2009 (Public Law 111-11) was passed into law on March 30, 2009. Sub-title F of the law, also known as the SECURE (Science and Engineering to Comprehensively Understand and Responsibly Enhance) Water Act, calls for the establishment of a “national water availability and use assessment program” in the U.S. Geological Survey (USGS)., Zoom in to see more detail (e.g. jurisdiction boundaries). Use choices below to search by address, XY (longitude and latitude) or by hydrologic unit name, code ..., Esri, HERE, Garmin, FAO, USGS, EPA, NPS | . Zoom to + Zoom In Zoom In, Each hydrologic unit is identified by a unique hydrologic unit code (HUC) consisting of two to eight digits based on the four levels of classification in the hydrologic unit system. [Figure 1. Map of Water Resources Regions] Click for a larger (13K) image., Data. Apps & Maps. Recent Downloads. Florida Department of Environmental Protection Geospatial Open Data. 8-digit Hydrologic Unit Code (HUC) sub basin boundaries for modelling, mapping and analysis., Data Basin is a science-based mapping and analysis platform that supports learning, research, and sustainable environmental stewardship. , UCAR's Unidata is a community data facility for the Earth system sciences, sharing geoscience data and tools to access and visualize that data. More than 700 academic and research institutions form the core of the community; worldwide, more than 3,000 educational, government, and research institutions rely on Unidata technologies. Visit …, The quality of input data and the process of watershed delineation can affect the accuracy of runoff predictions in watershed modeling. The Upper Mississippi River Basin was selected to evaluate the effects of subbasin and/or hydrologic response unit (HRU) delineations and the density of climate dataset on the simulated streamflow and water …, , Data Basin is a science-based mapping and analysis platform that supports learning, research, and sustainable environmental stewardship., Actual evapotranspiration modeling is providing useful information for researchers and resource managers in agriculture and water resources around the world. The performance of models depends on the accuracy of forcing inputs and model parameters. We developed an improved approach to the parameterization of the …, HUC8 and HUC11 hydrologic unit watersheds in. New Jersey. A watershed is defined as an area which drains to a common location. Watersheds may be defined on ..., Overview. This dataset is a digital hydrologic unit boundary layer that is at the Subwatershed (12-digit) level. The layer also includes delineations at the Watershed (10-digit) and Subbasin (8-digit) levels. Each basin is identified by a unique Hydrologic Unit Code (HUC), as well a name, at each level. HUCs are identifiers as assigned to basin ..., WSIO HUC8 Indicator Data for EPA Region 8 (includes CO, WY, UT, ND, SD, MT) (xlsx) WSIO HUC8 Indicator Data for EPA Region 9 (includes CA, AZ, NV) (xlsx) WSIO HUC8 …, The Watershed Boundary Dataset (WBD) is a comprehensive aggregated collection of hydrologic unit (HU) data consistent with the national criteria for delineation and …, Virginia Hydrologic Unit Explorer. Helpful Hints. Click on map to identify visible hydrologic units. Zoom in to see smaller units (e.g. 12 digit). Zoom in to see more detail (e.g. jurisdiction boundaries). Use choices below to search by address, XY (longitude and latitude) or by hydrologic unit name, code or number. Find Address., Abstract: This dataset is a representation of Hydrologic Unit Code (HUC) boundaries at the HUC8 level compiled from U.S. Geological Survey (USGS) National Hydrography Dataset (NHD) and U.S. Department of Agricultural (USDA) National Resources Conservation Services (NRCS) Watershed Boundary Dataset (WBD) sources.The Watershed and Subwatershed ... , HUC 8 basin boundaries and labels for California. The California Landscape Conservation Cooperative (CA LCC) is a management-science partnership created to inform and promote integrated science, natural resource management and conservation to address impacts of climate change and other stressors within and across ecosystems., This spatial layer shows the boundary for the 8-digit hydrologic unit 11130302, which also is the boundary for the upper Washita River basin in southwestern Oklahoma.This spatial layer …, Watershed Boundary Dataset 01 -- New England Region 0101 -- St. John 010100 -- St. John 01010001 -- Upper St. John 6650 01010002 -- Allagash 1235 01010003 -- Fish , NHDPlusV1 HUC8 Dataset. You may need additional software to view some of the links on this page. See EPA’s Free Viewers and Readers page. The links will vary in file size. The following links exit the site Exit., Abstract: This dataset is a representation of Hydrologic Unit Code (HUC) boundaries at the HUC8 level compiled from U.S. Geological Survey (USGS) National Hydrography Dataset (NHD) and U.S. Department of Agricultural (USDA) National Resources Conservation Services (NRCS) Watershed Boundary Dataset (WBD) sources.The Watershed and Subwatershed ..., ON w.huc8 = rh.huc8. Map on the left showing total rainfall at point locations. Map on the right shows same result transformed to watershed boundaries Share and Consume Data in Web Maps. You can share the map as a map image layer (or map service). Consume the service on a web application such as ArcGIS Online or a portal …, Summary of 7-day low flow conditions. Analyze 7-day low flow of an area for a specific period and provide historical comparison with. table listing lowest 7-day flows, their ranks, and historical annual minimum 7-day flows; and. map showing streamgages with at-or-near new record lows, zero flows, and rank information., Type: Feature Layer. Geometry Type: esriGeometryPolygon. Description: Modified USGS Watershed Boundary Dataset Version 18 January 2013 used for wetland data download functionality. The Subbasin hydrologic unit (HU8) boundaries provide a uniquely identified and uniform method of subdividing large drainage areas., Attribute_Label: HUC8 Attribute_Definition: Eight digit Hydrologic Unit Code Attribute_Definition_Source: NJDEP Attribute_Domain_Values: Unrepresentable_Domain: See database for assigned 8 digit value Attribute: Attribute_Label: HUC11 Attribute_Definition: Eleven Digit Hydrologic Unit Code Attribute_Definition_Source: …, Watershed Boundary Dataset (WBD) HUC8 modified** * If available at the requested location. ** Not include in State downloads. Not all of Alaska has been digitally mapped by the U.S. Fish and Wildlife Service. Please refer to the Wetlands Mapping Status layer in the Wetlands Mapper Legend to view where wetlands have been mapped in Alaska.