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USGS Mineral Resources On-line Spatial Data
Interactive maps and downloadable data for regional and global Geology, Geochemistry, Geophysics, and Mineral Resources. --USGS Users may browse by topics such as geologic... -
1:2,000,000-scale Hydrologic Units of the United States (SUPERSEDED)
This file contains hydrologic unit boundaries and codes for the conterminous United States along with Alaska, Hawaii, Puerto Rico and the U.S. Virgin Islands. It was revised for... -
SnowModel simulations and supporting observations for the Rio Grande Headwate...
This data release supports the study by Sexstone and others (2020) and contains simulation output from SnowModel (Liston and Elder, 2006), a well-validated process-based snow... -
Data: Current and future GISS MODEL-ER climate data for NHD v2 catchments wit...
This dataset represents results from this study attributed to the NHDPlus V2 catchments. Changes in climate occurring throughout the Mississippi River Basin are expected to lead... -
Data: Current and future MPI ECHAM5 climate data for NHD v2 catchments within...
This dataset represents results from this study attributed to the NHDPlus V2 catchments. Changes in climate occurring throughout the Mississippi River Basin are expected to lead... -
Data: Current and future CSIRO MK3.5 climate data for NHD v2 catchments withi...
This dataset represents results from this study attributed to the NHDPlus V2 catchments. Changes in climate occurring throughout the Mississippi River Basin are expected to lead... -
Dam Metrics Representing Stream Fragmentation and Flow Alteration for the Con...
This CSV file contains 21 dam metrics representing stream fragmentation and flow alteration for nearly 2.3 million stream reaches in the conterminous USA. Dam metrics fall into... -
National Fish Habitat Partnership (NFHP) 2015 Cumulative Habitat Condition Sc...
This shapefile contains fish habitat condition index (HCI) scores as well as specific disturbance indices for 6th level Hydrologic Unit Code (HUC12) watersheds of the Watershed... -
National Fish Habitat Partnership (NFHP) 2015 Cumulative Habitat Condition Sc...
This shapefile contains fish habitat condition index (HCI) scores as well as specific disturbance indices for 6th level Hydrologic Unit Code (HUC12) watersheds of the Watershed... -
High-Resolution Hydrographic Mapping on a portion of the Big Sioux River Basi...
A High-Resolution Hydrographic Mapping effort was completed for thirteen 12-digit hydrologic units in the Big Sioux River Basin near Sioux Falls in southeastern South Dakota. A... -
fishtail_catch:Indices and supporting data characterizing the current and fut...
This dataset represents results from this study attributed to the NHDPlus stream reach segments. Human impacts occurring throughout the Northeast United StatesDOI Northeast... -
Data: Current and future MPI ECHAM5 climate data for NHD v2 catchments within...
This dataset represents results from this study attributed to the NHDPlus V2 catchments. Changes in climate occurring throughout the Mississippi River Basin are expected to lead... -
Data: Current and future CNRM CM3 climate data for NHD v2 catchments within t...
This dataset represents results from this study attributed to the NHDPlus V2 catchments. Changes in climate occurring throughout the Mississippi River Basin are expected to lead... -
Data: Current and future CSIRO MK3.5 climate data for NHD v2 catchments withi...
This dataset represents results from this study attributed to the NHDPlus V2 catchments. Changes in climate occurring throughout the Mississippi River Basin are expected to lead... -
National Fish Habitat Partnership (NFHP) 2015 Cumulative Habitat Condition Sc...
This shapefile contains cumulative fish habitat condition index (HCI) scores and specific disturbance indices for local and network stream catchments as well as the downstream... -
1:2,000,000-scale Hydrologic Units of the United States (OLDER)
This data set has been superseded by huc2m. This file contains hydrologic unit boundaries and codes for the conterminous United States along with Alaska, Hawaii, Puerto Rico and... -
Native ranges of freshwater fishes of North America
Background: The Nonindigenous Aquatic Species (NAS) Database functions as a repository and clearinghouse for the occurrence of nonindigenous aquatic species information from... -
Data: Current and future CCCma CGCM3.1 climate data for NHD v2 catchments wit...
This dataset represents results from this study attributed to the NHDPlus V2 catchments. Changes in climate occurring throughout the Mississippi River Basin are expected to lead... -
Physico-chemical characteristics and sediment and nutrient fluxes of floodpla...
Dataset includes site averages of measurements of floodplain and streambank sediment physico-chemistry and long-term (dendrogeomorphic) vertical and lateral geomorphic change,... -
1:2,000,000-scale Hydrologic Units of the United States (OLDER)
This data set has been superseded by huc2m. This file contains hydrologic unit boundaries and codes for the conterminous United States along with Alaska, Hawaii, Puerto Rico and...