USDA/NRCS - National Cartography & Geospatial Center 1/14/2009 vector digital data withheld sn.GIS.HydroUnit_WBD_L6_Subwatershed_dd This data set is a complete digital hydrologic unit boundary layer to the Subwatershed (12-digit) 6th level for the states of California, Idaho, Montana, Oregon and Washington. This data set consists of geo-referenced digital data and associated attributes created in accordance with the "FGDC Proposal, Version 1.0 - Federal Standards For Delineation of Hydrologic Unit Boundaries 3/01/02" (http://www.ftw.nrcs.usda.gov/huc_data.html). Polygons are attributed with hydrologic unit codes for 1st level regions, 2nd level subregions, 3rd level basins, 4th level sub-basins, 5th level watersheds, 6th level subwatersheds, name, size, downstream hydrologic unit, type of watershed, non-contributing areas and flow modification. 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-watersheds (up to 40,000 acres) are useful for numerous application programs supported by a variety of local, State, and Federal Agencies. This data set is intended to be used as a tool for water-resource management and planning activities, particularly for site-specific and localized studies requiring a level of detail provided by large-scale map information. The dataset will be appended to a larger seamless nationally consistant geospatial database as other states complete their portion of the watershed boundary dataset. en 1999 - Present Pulication data of sources In work Unknown -125.137 -96.097 50.2262857142857 30.851 -124.771480 -100.974099 32.260484 49.134527 None HUC Hydrologic Units Hydrologic Unit Code Watershed Watershed Boundaries Boundaries Subwatershed WBD Watershed Boundary Dataset None Pacific West Coast Washington Idaho Montana Oregon California None California Idaho Montana Oregon Washington None The distributor shall not be held liable for improper or incorrect use of this data, based on the description of appropriate/inappropriate uses described in this metadata document. It is strongly recommended that this data is directly acquired from the distributor and not indirectly through other sources which may have changed the data in some way. These data should not be used at scales greater than 1:24,000 for the purpose of identifying hydrographic watershed boundary feature locations in 7. 5 should be acknowledged as the data source in products derived from these data. The 7 Watershed Boundary Dataset is public information and may be interpreted by all organizations, agencies, units of government, or others based on needs; however, they are responsible for the appropriate application of the data. Federal, State, or local regulatory bodies are not to reassign to the Natural Resources Conservation Service any authority for the decisions they make. The Natural Resources Conservation Service will not perform any evaluations of these maps or purposes related solely to State or local regulatory programs. Photographic or digital enlargement of these maps to scales greater than that at which they were originally delineated can result in misrepresentation of the data. If enlarged, the maps will not include the fine detail that would be appropriate for mapping at the small scale. Digital data files are periodically updated. Files are dated, and users are responsible for obtaining the latest version of the data from the source distributor. This data set is not designed for use as a primary regulatory tool in permitting or citing decisions, but may be used as a reference source. This information may be interpreted by organizations, agencies, units of government, or others based on needs; however, they are responsible for the appropriate application. Federal, State, or local regulatory bodies are not to reassign to the Service Center Agencies any authority for the decisions that they make. The Service Center Agencies will not perform any evaluations of these data for purposes related solely to State or local regulatory programs. Photographic or digital enlargement of these data to scales greater than at which they were originally mapped can cause misinterpretation of the data. Digital data files are periodically updated, and users are responsible for obtaining the latest version of the data. National Cartography and Geospatial Center

501 W. Felix St, Bldg 23

Fort Worth Texas 76115 Various ESRI ArcCatalog 9.3.1.1850 Feature Class NRCS State Offices 1999 24,000 The dataset was modified by the USDA-NRCS National Cartography & Geospatial Center (NCGC) by creating a seamless dataset for the entire country for all 6 levels. NCGC has included attributes for hydrologic unit codes, hydrologic unit name, downstream hydrologic unit, man-made modifications to overland flow that alter the location of the HU boundary, and HU type for each hydrologic unit level 1-6. NCGC has also added a square miles field to sub-basin. An acres field already exists for each subwatershed. The square miles and acres field was calculated in Albers Equal Area, NAD83 by NCGC. At this time, not all records have attributes for all the fields, but may be filled in by the user for local projects or will be filled in at a later date. NCGC personnel have created 2 shapefiles from the national WBD. One shapefile has attributes for 10 and 12-digit with polygons for the 12-digit HUs. An accompanying line file showing the same linework with the three attribute fields is delivered with the polygon shapefile. For a complete description of the attributes and processes used to delineate hydrologic units to 1:24,000 scale accuracy, please refer to document Watershed Boundary Dataset (WBD) User Guide. 200803 The fields HUC_6, HUC_4 and HUC_2 were calculated in ESRI ArcMap using the Field Calculator, effectively dropping the last 6, 8, and 10 digitis of the field HUC_12, respectively. 200901 withheld withheld The 12-digit Watershed Boundary Data was joined to the HU250k dataset in order to append the name fields from the HUC_2 (REGION), HUC_4 (SUBREGION), HUC_6 (BASIN), and HUC_8 (SUBBASIN). 200901 withheld withheld withheld Some new HUC_8 numbers were created during the Watershed Boundary Dataset process based on changes in the locations of these units. Where new HUC_8 values were found, no official names currently are available for these subbasins. In order to make a more complete dataset, temporary names have been added to these HUC_8 Subbasins, each beginning with "AKA...". 200901 withheld USDA/NRCS - National Cartography & Geospatial Center 1994 250000 Dataset copied. withheld 20090921 15572500 Vector Simple FALSE 0 TRUE FALSE 0.02 0.02 Decimal degrees North American Datum of 1983 (NAD83) GRS1980 6378137.0 298.257222101 GCS_North_American_1983 Explicit elevation coordinate included with horizontal coordinates 1.000000 wbd_HUC12 Feature Class 0 OBJECTID OBJECTID OID 4 0 0 Internal feature number. ESRI Sequential unique whole numbers that are automatically generated. Shape Feature geometry. ESRI Coordinates defining the features. Shape Geometry 0 0 0 ProbableNativeRange ProbableNativeRange String 40 0 0 Shape_Length Shape_Length Double 8 0 0 Length of feature in internal units. Esri Positive real numbers that are automatically generated. Shape_Area Shape_Area Double 8 0 0 Area of feature in internal units squared. Esri Positive real numbers that are automatically generated. This is a description of attributes by field from the Federal Standards for Delineation of Hydrologic Unit Boundaries Huc_8 : Eight Digit Hydrologic Unit Code A unique 8-digit code from the USGS map series "Hydrologic Unit Maps". The same number was used in every record that pertains to a subwatershed that resides within the same 8-digit sub-basin.Numbers were assigned in an upstream to downstream fashion. Where no downstream/upstream relationship could be determined numbers were assigned in a clockwise fashion. Huc_10: Ten Digit Hydrologic Unit Code This field provides a unique 10-digit code for each watershed. This same number was used in every record that pertains to a subwatershed that resides within the same 10-digit watershed. Numbers were assigned in an upstream to downstream fashion. Where no downstream/upstream relationship could be determined numbers were assigned in a clockwise fashion. Huc_12: Twelve Digit Hydrologic Unit Code This field provides a unique 12-digit code for each subwatershed. Numbers were assigned in an upstream to downstream fashion. Where no downstream/upstream relationship could be determined numbers were assigned in a clockwise fashion. Acres: Acres Area of subwatershed including non-contributing areas calculated to acres as a whole number, no decimals. The "Acres" field was calculated from the "Area" field. States: States The "States" field includes the names of all state(s) that the subwatershed falls within. The 2-digit postal abbreviation in upper case and in alphabetical order was used, separated with a comma. Ncontrb_a: Non-Contributing Area Drainage areas that do not flow toward the outlet of any hydrologic unit are considered non-contributing. If a non-contributing area is on the boundary between two or more hydrologic units, the non-contributing area is associated with the hydrologic unit adjacent to the low point on the boundary. This attribute should be the total of the non-contributing areas within a hydrologic unit calculated in acres. Hu_10_ds: Fifth Level Downstream Hydrologic Unit Code This field has the 10-digit code of the 5th level hydrologic unit that is receiving the majority of the flow from the watershed that the 6th level HU falls within. Outlets created by ditching or other artificial drainage were not considered for this field. If an HU flows into an ocean or the Gulf of Mexico, this field was populated with "OCEAN" and if a HU flows into one of the Great Lakes the term "LAKE" was used. If a HU flows across international borders, "CANADA" or "MEXICO" was used depending on which country the HU drains into. If an HU is a closed basin, then the term "CLOSED BASIN"was used. Hu_10_name: Fifth Level Hydrologic Unit Name This field used officially recognized names only. This field was populated by following the directions in subsection 6.3 "Watershed and Subwatershed Naming Protocol". The name used to attribute the watershed was used only once within a 4th level unit. Hu_10_mod: Fifth Level Hydrologic Unit Modifications This field identifies any type of modifications to natural overland flow that alters the location of the hydrologic unit boundary for a 10-digit watershed. This field shows the most significant to least significant modification(s) to the watershed boundary. One or more of the following abbreviations was used. SC - Stormwater Canal ID - Irrigation Ditch IT - Interbasin Transfer BC - Barge Canal SD - Stormwater Ditch PD - Pipe Diversion CD - Channel Diversion NC - Non-Contributing KA - Karst LE - Levee OC - Overflow Channel DM - Dam at outlet or HU boundary GC - General Canal PS - Pumping Station DD - Drainage Ditch AD - Aqueduct SI - Siphon RS - Reservoir TF - Transportation Feature GF - Ground Water Flow MA - Mining Activity UA - Urban Area OT - Other NM - No Modifications Hu_10_type: Fifth Level Hydrologic Unit Type This field was populated with the hydrologic unit type from the list provided that most closely identifies the watershed. S - "Standard" hydrologic unit - Any land HU with drainage flowing to a single outlet point, excluding non-contributing areas. This includes areas or small triangular wedges between adjacent HU's that remain after classic hydrologic units are delineated. Some examples include "true", "classic", "composite", and "remnant" hydrologic units. C - "Closed Basin" hydrologic unit - A drainage area that is 100% non-contributing. This means all surface flow is internal, no overland flow leaves the hydrologic unit through the outlet point. F - "Frontal" hydrologic unit - Areas along the coastline of lakes, oceans, bays, etc. that have more than one outlet. These HU's are predominantly land with some water areas at or near the outlet(s). M - "Multiple Outlet" hydrologic unit - a hydrologic unit that has more than one natural outlet. This does not include frontal or water hydrologic units, hydrologic units that have man-made interbasin transfers, or drainage outlets through karst or groundwater flow. This code should not be used except for rare instances. An example would be when an outlet is located on a stream with multiple channels (does not include outlets that cross a stream with an island). W - "Water" hydrologic unit - Hydrologic units that are predominantly water with adjacent land areas, ex. lake, easturies, harbors. I - "Island" hydrologic unit - A hydrologic unit that is one or more islands and adjacent water out to the toe of the shore face. U - "Unclassified" hydrologic unit - A hydrologic unit that can't be defined or doesn't fit into one of the types that have been listed. Hu_12_ds: Sixth Level Downstream Hydrologic Unit Code This field was populated with the 12-digit code of the 6th level hydrologic unit that is receiving the majority of the flow from the subwatershed. Outlets created by ditching or other artificial drainage were not considered for this field. If a HU flows into an ocean or the Gulf of Mexico it was populate with "OCEAN" and if a HU flows into one of the Great Lakes the term "LAKE" was used. If a HU flows across international borders, "CANADA" or "MEXICO" was used depending on which country the HU drains into. If an HU is a closed basin, this field was populated with the term "CLOSED BASIN". Hu_12_name: Sixth Level Hydrologic Unit Name Officially recognized names were used in this field. This field was populated by following the directions in subsection 6.3 "Watershed and Subwatershed Naming Protocol". The name used to attribute the subwatershed was used only once within a 4th level unit. Hu_12_mod: Sixth Level Hydrologic Unit Modifications This field identifies any type of man-made modification(s) to natural overland flow that alters the location of the hydrologic unit boundary for a 12-digit subwatershed. One or more of the following abbreviations was chosen for this field. SC - Stormwater Canal ID - Irrigation Ditch IT - Interbasin Transfer BC - Barge Canal SD - Stormwater Ditch PD - Pipe Diversion CD - Channel Diversion NC - Non-Contributing KA - Karst LE - Levee OC - Overflow Channel DM - Dam at outlet or HU boundary GC - General Canal PS - Pumping Station DD - Drainage Ditch AD - Aqueduct SI - Siphon RS - Reservoir TF - Transportation Feature GF - Ground Water Flow MA - Mining Activity UA - Urban Area OT - Other NM - No Modifications Hu_12_type: Sixth Level Hydrologic Unit Type This field was populated with the hydrologic unit type from the list provided that most closely identifies the subwatershed. S - "Standard" hydrologic unit - Any land HU with drainage flowing to a single outlet point, excluding non-contributing areas. This includes areas or small triangular wedges between adjacent HU's that remain after classic hydrologic units are delineated. Some examples include "true", "classic", "composite", and "remnant" hydrologic units. C - "Closed Basin" hydrologic unit - A drainage area that is 100% non-contributing. This means all surface flow is internal, no overland flow leaves the hydrologic unit through the outlet point. F - "Frontal" hydrologic unit - Areas along the coastline of lakes, oceans, bays, etc. that have more than one outlet. These HU's are predominantly land with some water at or near the outlet(s). M - "Multiple Outlet" hydrologic unit - a hydrologic unit that has more than one natural outlet. This does not include frontal or water hydrologic units, hydrologic units that have man-made interbasin transfers, or drainage outlets through karst or groundwater flow. This code should not be used except for rare instances. An example would be when an outlet is located on a stream with multiple channels (does not include outlets that cross a stream with an island). W - "Water" hydrologic unit - Hydrologic units that are predominantly water with adjacent land areas, ex. lake, easturies. I - "Island" hydrologic unit - A hydrologic unit that is one or more islands and adjacent water out to the toe of the shore face. U - "Unclassified" hydrologic unit - A hydrologic unit that can't be defined or doesn't fit into one of the types that have been listed. Detailed information about the attributes is available from the Watershed Boundary Dataset (WBD) User Guide (wbd_user_guide.doc) that is available with each gateway request. Downloadable Data The distributor shall not be held liable for improper or incorrect use of this data, based on the description of appropriate/inappropriate uses described in this metadata document. It is strongly recommended that this data is directly acquired from the distributor and not indirectly through other sources which may have changed the data in some way. These data should not be used at scales greater than 1:24,000 for the purpose of identifying hydrographic watershed boundary feature locations . NRCS makes no claims for the data's suitability for other purposes. NRCS should be acknowledged as the data source in products derived from these data. The Watershed Boundary Dataset is public information and may be interpreted by all organizations, agencies, units of government, or others based on needs; however, they are responsible for the appropriate application of the data. Federal, State, or local regulatory bodies are not to reassign to the Natural Resources Conservation Service any authority for the decisions they make. The Natural Resources Conservation Service will not perform any evaluations of these maps or purposes related solely to State or local regulatory programs. Photographic or digital enlargement of these maps to scales greater than that at which they were originally delineated can result in misrepresentation of the data. If enlarged, the maps will not include the fine detail that would be appropriate for mapping at the small scale. Digital data files are periodically updated. Files are dated, and users are responsible for obtaining the latest version of the data from the source distributor. ARC/INFO Shape 2009-01-15 REQUIRED: The organization responsible for the metadata information. REQUIRED: The person responsible for the metadata information. REQUIRED: The mailing and/or physical address for the organization or individual. REQUIRED: The city of the address. REQUIRED: The state or province of the address. REQUIRED: The ZIP or other postal code of the address. REQUIRED: The telephone number by which individuals can speak to the organization or individual. SCI Minimum Compliance Metadata FGDC-STD-001-1998 local time http://www.esri.com/metadata/esriprof80.html ESRI Metadata Profile en 20230105 16282400 FALSE 20220802 09522500 20220802 09522500 Bulltrout_PNR_Dissolved 002 -124.771480 -100.974099 32.260484 49.134527 1 Geographic GCS_North_American_1983 <GeographicCoordinateSystem xsi:type='typens:GeographicCoordinateSystem' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:xs='http://www.w3.org/2001/XMLSchema' xmlns:typens='http://www.esri.com/schemas/ArcGIS/3.0.0'><WKT>GEOGCS[&quot;GCS_North_American_1983&quot;,DATUM[&quot;D_North_American_1983&quot;,SPHEROID[&quot;GRS_1980&quot;,6378137.0,298.257222101]],PRIMEM[&quot;Greenwich&quot;,0.0],UNIT[&quot;Degree&quot;,0.0174532925199433],AUTHORITY[&quot;EPSG&quot;,4269]]</WKT><XOrigin>-399.99999999820625</XOrigin><YOrigin>-399.99999999487881</YOrigin><XYScale>687545411.88511395</XYScale><ZOrigin>-100000</ZOrigin><ZScale>10000</ZScale><MOrigin>-100000</MOrigin><MScale>10000</MScale><XYTolerance>2.3271190125654616e-08</XYTolerance><ZTolerance>0.001</ZTolerance><MTolerance>0.001</MTolerance><HighPrecision>true</HighPrecision><LeftLongitude>-180</LeftLongitude><WKID>4269</WKID><LatestWKID>4269</LatestWKID></GeographicCoordinateSystem> Angular Unit: Degree (0.017453) 1.0 North American Profile of ISO19115 2003 Esri ArcGIS 13.0.0.36056 Bulltrout_PNR_Dissolved -124.771480 -100.974099 49.134527 32.260484 1 -124.77148 -100.974099 49.134527 32.260484 1 002 ISO 19115 Geographic Information - Metadata DIS_ESRI1.0 dataset 002 withheld Feature Class File Geodatabase Feature Class GCS_North_American_1983 EPSG 6.5(3.0.1) 0 20220802