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Concentrations and laboratory quality-assurance data for six unregulated contaminants measured in source and finished drinking-water samples collected from public water systems throughout Minnesota by using ELISA and MS-based analytical methods Concentrations and laboratory quality-assurance data for six unregulated contaminants measured in source and finished drinking-water samples collected from public water systems throughout Minnesota by using ELISA and MS-based analytical methods
The U.S. Geological Survey, in cooperation with the Minnesota Department of Health, conducted a study to determine the occurrence of six unregulated contaminants in source and finished drinking-water samples collected from 67 public water supply systems throughout Minnesota. Minnesota relies on groundwater and surface water sources for drinking water. Land use, such as wastewater...
Mainstem Rivers of the Conterminous United States Mainstem Rivers of the Conterminous United States
Mainstem rivers are the backbone of a connected network of hydrologic units that cover the landscape. A mainstem connects a headwater source area to an outlet. This data release identifies the same mainstem paths in hydrographic datasets for the conterminous US. The Mainstems dataset includes cross walks between mainstem identifiers and several hydrographic datasets. These cross walk...
Passive flux meter data from monitoring wells and sentinel wells in relation to the Kirtland Air Force Base Bulk Fuels Facility, Albuquerque, New Mexico Passive flux meter data from monitoring wells and sentinel wells in relation to the Kirtland Air Force Base Bulk Fuels Facility, Albuquerque, New Mexico
This U.S. Geological Survey (USGS) data release contains push-pull test results, Darcy velocity data, and contaminant mass flux data measured in Albuquerque, New Mexico, using passive flux meters (PFMs) in monitoring and sentinel wells associated with the Kirtland Air Force Base (KAFB) Bulk Fuels Facility. Push-pull test results were used to correct Darcy velocity data collected at large...
Wolf noninvasive methods trial from 2019-2021 in the Superior National Forest metadata Wolf noninvasive methods trial from 2019-2021 in the Superior National Forest metadata
This dataset contains gray wolf (Canis lupus) study area section counts of pack wolves by method (observing radiocollared wolves and their packmates via aerial telemetry and also noninvasive methods including ground snow tracking, aerial snow tracking, camera trapping, community scientist reports) from a three winter noninvasive methods trial during 2019-2021 in the USGS Wolf Project...
Geochemical and spectroscopic data on outcrop samples from the informal Uteland Butte member of the Eocene Green River Formation in Uinta Basin, Utah Geochemical and spectroscopic data on outcrop samples from the informal Uteland Butte member of the Eocene Green River Formation in Uinta Basin, Utah
The informal Uteland Butte member of the Eocene Green River Formation in the Uinta Basin, Utah is one of the few examples of a continuous petroleum resource play in the world situated in a lacustrine sedimentary basin (Johnson and others, 2015; Birdwell and others, 2016). The datasets compiled here were collected on outcrop samples of the Uteland Butte member with the purpose of better
Geochemical data for the Green River Formation in the Piceance Basin, Colorado: Major and trace element concentrations and total organic carbon content Geochemical data for the Green River Formation in the Piceance Basin, Colorado: Major and trace element concentrations and total organic carbon content
The Eocene Green River Formation in the Piceance Basin of Colorado contains some of the richest oil shale deposits in the world (Johnson and others, 2009; Birdwell and others, 2013). The datasets compiled here were collected with the purpose of refining our understanding of geochemical variability through the depositional history of Eocene Lake Uinta in Piceance Basin. The effects of...