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Blank results for trace-element data collected for the California...
Groundwater samples have been collected in California as part of statewide investigations of groundwater quality conducted by the U.S. Geological Survey for the Groundwater... -
Total thiamine concentrations in lake trout Salvelinus namaycush eggs in...
Monitoring of vitamin B1 (thiamine) in the eggs of lake trout (Salvelinus namaycush) collected from lakes Huron and Michigan has been conducted by the U.S. Geological Survey... -
National Fish Habitat Partnership (NFHP) 2015 Cumulative Habitat Condition...
This CSV file contains cumulative fish habitat condition index (HCI) scores generated for river reaches of the conterminous United States as well as indices generated... -
Raw Data for U. S. Department of Energy (DOE) Categorical Exclusion(CX)...
To further transparency and openness, DOE established a policy to document and post online all CX determinations involving classes of actions listed in Appendix B to Subpart D... -
Data to accompany U.S. Geological Survey Scientific Investigations Report...
The dataset comprises analyses of core and surface samples collected in and around the Red Mountain porphyry Cu-Mo deposit, Santa Cruz County, Arizona. The dataset includes:... -
Terrestrial Development Index for the Western United States: 2.5-kilometer...
The Terrestrial Development Index (TDI) quantifies levels of development (urban, agriculture, energy and mineral extraction and transmission, and transportation). TDI scores... -
Dam Metrics Representing Stream Fragmentation and Flow Alteration for the...
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... -
Data to accompany U.S. Geological Survey Scientific Investigations Report...
The dataset comprises analyses of core and surface samples collected in and around the Red Mountain porphyry Cu-Mo deposit, Santa Cruz County, Arizona. The dataset includes:... -
Pre-rehabilitation Biological Assessment of the Lower Maumee River, Ohio, 2019
Data are from biological and physical environmental assessments conducted during 2019 in the Maumee River, Ohio. Sites were located from river kilometer 24 to 11. Water quality... -
Inferred hydrodynamic residence time in salt marsh units in Edwin B....
As part of the Hurricane Sandy Science Plan, the U.S. Geological Survey is expanding National Assessment of Coastal Change Hazards and forecast products to coastal wetlands. The... -
National Fish Habitat Partnership (NFHP) 2015 Cumulative Habitat Condition...
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...
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... -
Total thiamine concentrations in lake trout Salvelinus namaycush eggs in...
Monitoring of vitamin B1 (thiamine) in the eggs of lake trout (Salvelinus namaycush) collected from lakes Huron and Michigan has been conducted by the U.S. Geological Survey... -
Shoreline change rates in salt marsh units in Edwin B. Forsythe National...
Monitoring shoreline change is of interest in many coastal areas because it enables quantification of land loss over time. Evolution of shoreline position is determined by the... -
Landscape Intactness Index for the Western United States
Landscape intactness has been defined as a quantifiable estimate of naturalness measured on a gradient of anthropogenic influence and based on available spatial data. We... -
National Fish Habitat Partnership (NFHP) 2015 Cumulative Habitat Condition...
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... -
Terrestrial Development Index for the Western United States: 20-kilometer...
The terrestrial development index (TDI) quantifies levels of development (urban, agriculture, energy and mineral extraction and transmission, and transportation). TDI scores... -
Landscape Intactness Index for the Western United States
Landscape intactness has been defined as a quantifiable estimate of naturalness measured on a gradient of anthropogenic influence and based on available spatial data. We... -
Broad-scale assessment of biophysical features in Colorado: Terrestrial...
The "Broad-scale assessment of biophysical features in Colorado: Terrestrial development index using 5-kilometer moving window" raster dataset quantifies levels of development... -
Pre-restoration biological and physical assessment of the lower Rouge River, MI, 2018
Data are from biological and physical environmental assessments conducted during 2018 in the lower Rouge River, MI. Sites were located upstream, downstream, and within the...