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SAVEM - Subwatersheds - Upper Holston
Represents the 11 digit hydrologic unit code (HUC) areas within the Upper Holston River watershed. -
EnviroAtlas - NHDPlus V2 Hydrologic Unit Boundaries Web Service - Conterminou...
This EnviroAtlas web service contains layers depicting hydrologic unit boundary layers and labels for the Subregion level (4-digit HUCs), Subbasin level (8-digit HUCs), and... -
Watershed Boundary Dataset (WBD)
The Watershed Boundary Dataset (WBD) from The National Map (TNM) defines the perimeter of drainage areas formed by the terrain and other landscape characteristics. The drainage... -
BLM REA MIR 2011 AG C Chinook HUC12 poly
This dataset 6th level HUC watersheds that intersect with the Chinook distribution in the middle rockies ecoregion. -
Watershed Boundary Dataset (WBD)
The Watershed Boundary Dataset (WBD) from The National Map (TNM) defines the perimeter of drainage areas formed by the terrain and other landscape characteristics. The drainage... -
BLM REA MIR 2011 AG C Grayling HUC12 poly
This dataset 6th level HUC watersheds that intersect with the Grayling distribution in the middle rockies ecoregion. -
BLM REA MIR 2011 NWP HUC10 Boundary
This data set is a complete digital hydrologic unit boundary layer to the Subwatershed (12-digit) 6th level for the entire United States. This data set consists of geo-... -
BLM REA MIR 2011 Middle Rockies HUC10 buffer
This data set is a complete digital hydrologic unit boundary layer to the Subwatershed (12-digit) 6th level for the entire United States. This data set consists of geo-... -
EnviroAtlas - HU12_polygon
This data set is a complete digital hydrologic unit boundary layer to the Subwatershed (12-digit) 6th level for the entire United States. This data set consists of geo-... -
Watershed Boundary Dataset (WBD)
The Watershed Boundary Dataset (WBD) from The National Map (TNM) defines the perimeter of drainage areas formed by the terrain and other landscape characteristics. The drainage... -
BLM REA NWP 2011 HUC 12
This data set is a complete digital hydrologic unit boundary layer to the Subwatershed (12-digit) 6th level for the entire United States. This data set consists of geo-... -
BLM REA MIR 2011 AG C Steelhead HUC12 poly
This dataset 6th level HUC watersheds that intersect with the Steelhead distribution in the middle rockies ecoregion. -
BLM REA NWP 2011 HUC 12
This data set is a complete digital hydrologic unit boundary layer to the Subwatershed (12-digit) 6th level for the entire United States. This data set consists of geo-... -
BLM REA NWP 2011 HUC 10
This data set is a complete digital hydrologic unit boundary layer to the Subwatershed (12-digit) 6th level for the entire United States. This data set consists of geo-... -
BLM REA MIR 2011 AG C Westslope Trout HUC12 poly
This dataset 6th level HUC watersheds that intersect with the Westslope Cutthroat Trout distribution in the middle rockies ecoregion. -
Unit scale abundance and habitat data (Calawah River Riverscape Study)
The objective of this study was to identify the patterns of juvenile salmonid distribution and relative abundance in relation to habitat correlates. It is the first dataset of... -
Watershed Boundary Dataset; 12-Digit Watersheds Dissolved to 8-Digit Watersheds
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... -
NIS occurrence (Non-native species impacts on threatened and endangered salmo...
The objectives of this project: a) Identify the distribution of non-natives in the Columbia River Basin b) Highlight the impacts of non-natives on salmonids c) Examine the... -
USGS Watershed Boundary Dataset (WBD) Overlay Map Service from The National M...
The Watershed Boundary Dataset (WBD) from The National Map (TNM) defines the perimeter of drainage areas formed by the terrain and other landscape characteristics. The drainage... -
NIS occurrence (Non-native species impacts on threatened and endangered salmo...
The objectives of this project: a) Identify the distribution of non-natives in the Columbia River Basin b) Highlight the impacts of non-natives on salmonids c) Examine the...