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Chemistry data from leachates of hydraulic fracturing proppants collected from southeastern New Mexico, 2018-2019

Proppants used during hydraulic fracturing of oil and gas wells are manufactured to maximize petroleum yield by controlling the size, shape, density, and strength of the proppant material. The most common types of proppants are mined silica sand and manufactured ceramics, some of which are further modified with organic resin coatings to improve performance. Much of the work on the environmental an

Helicopter-based videos and orthomosaic maps produced for Integrated Water Science basin riverine study sites, 2022

A Bell 407 helicopter with a gyro-stabilized gimbal was used to collect aerial videos of Integrated Water Science basin riverine study sites in 2022. Videos were collected using both natural color and thermal infrared cameras. These videos were used to determine the feasibility of estimating river surface velocity using aerial imagery. Orthomosaic maps were produced from the natural color videos u

Serologic Survey of Selected Arthropod Borne Pathogens in Free-ranging Snowshoe Hares (Lepus americanus) Captured in Northern Michigan, USA

We conducted a serosurvey of snowshoe hares (Lepus americanus) for vector-borne pathogens in 2016-2017 that were captured in the Hiawatha National Forest in the eastern Upper Peninsula of Michigan, USA. At capture, in addition to age, sex, body weight of the hare and a blood sample data was collected on the ecological land type (USDA Forest Service. 2006. Hiawatha National Forest 2006 Forest Plan.

Data from temperature measurements in research drill hole Y-7, Upper Geyser Basin, Yellowstone National Park

Active thermal areas in Yellowstone National Park provide insight into a variety of hydrothermal processes occurring at depth, such as water-rock interactions, the formation of alteration minerals, and microbial (thermophile) metabolism in extreme environments. Research drill hole Y-7 (44°29'8.74", -110°51'7.67") is one of 13 holes completed by the U.S. Geological Survey in 1967 and 1968 at select

PHREEQC files for geochemical simulations in the Ohio River alluvial aquifer of West Virginia

This data release includes PHREEQC files used for geochemical models in the Ohio River alluvial aquifer of West Virginia. The associated publication by McAdoo and Connock (2024) should be consulted to understand the purpose and limitations of these simulations and data. The wateq4f database (Ball and Nordstrom, 1991) was used for the PHREEQC simulation.  A report by Parkhurst and Appelo (2013) ser

Aquaculture and Irrigation Water Use Model (AIWUM) 2.0 input and output datasets

Datasets are inputs and outputs of Aquaculture and Irrigation Water Use Model (AIWUM) 2.0.  AIWUM 2.0 employs remote sensing data sets and machine learning utilizing Distributed Random Forests, an ensemble machine learning algorithm to estimate annual and monthly groundwater use for irrigation and aquaculture (2014–20) throughout this region at 1 km resolution, using annual pumping data from flowm

Black bear (Ursus Americanus) spatial capture recapture dataset in and near Glacier National Park, Montana, USA, 2004

Tabular and raster data containing spatial capture recapture records for male and female black bears (Ursus americanus) in Glacier National Park and surrounding landscape collected from June - October 2004 and associated tabular data files required for analysis of data with spatial capture connectivity models and raster data describing the ouput from SCR models. Associated tables and rasters inclu

Input and results from a random forest classification (RFC) model that predicts redox conditions in groundwater in the contiguous United States

This data release provides model inputs and outputs for a model that predicts redox conditions in groundwater in the contiguous United States. Input variables describe the hydrology, soils, geology, and hydrologic position of groundwater sample locations. The data release accompanies a journal article that describes model development and applications (Tesoriero_and_others_2023).

Groundwater-quality data in the Gilroy Hollister basin and surrounding areas Domestic-Supply Aquifer Study Unit, 2022: Results from the California GAMA Priority Basin Project

The U.S. Geological Survey collected groundwater samples from 33 wells used for domestic and small system drinking water supplies in Santa Clara and San Benito Counties, California in 2022. The wells were sampled for the Gilroy Hollister basin and surrounding areas Domestic-Supply Aquifer Study Unit of the State Water Resources Control Board Groundwater Ambient Monitoring and Assessment (GAMA) Pro

USGS National and Global Oil and Gas Assessment Project—Raton Basin-Sierra Grande Uplift Province, Raton Continuous Resources: Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables

This data release contains the boundaries of assessment units and input data for the assessment of undiscovered oil and gas resources in upper Cretaceous marine shales in the Raton Basin-Sierra Grande Uplift Province, Colorado and New Mexico. The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The Assessment

Dead Tree Detection Validation Data from Sequoia and Kings Canyon National Parks

Most of these data were collected in order to create a database of tree locations for use in calibrating remote sensing tools and products, particularly dead tree detection tools and canopy species maps. Data include tree locations, species identification, and status (live, dead, and, if dead, sometimes includes information on foliage and twig retention). They are a collection of different samplin

Carbon, Nitrogen, and Sulfur Stable Isotopes from Primary Producers, Invertebrates, and Fish at the Nisqually River Delta, Washington from 2011, 2012, and 2015

This dataset consists of carbon, nitrogen, and sulfur stable isotope data from primary producers, invertebrates, and fish from the Nisqually River Delta, Washington from 2011, 2012, and 2015. Data were collected to determine food web structure in different habitat zones within the entire river delta. Data collection for primary producers and invertebrates were led by U.S. Geological Survey, while