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Field blank and field replicate datasets for inorganic and organic compounds...
The U.S. Geological Survey (USGS) National Water Quality Network - Rivers and Streams (NWQN) comprises 117 surface-water monitoring sites designed to track ambient water-quality... -
Major-oxide and trace-element geochemical data from rocks collected in 2019...
During the 2019 field season, geologists from the Alaska Division of Geological & Geophysical Surveys (DGGS) conducted 1:100,000-scale geologic mapping and sampling of a... -
Groundwater-quality data in the Modesto-Turlock-Merced Domestic-Supply...
The U.S. Geological Survey collected groundwater samples from 71 wells used for domestic and small system drinking water supplies in Stanislaus and Merced counties of California... -
Analyses of historic U.S. Bureau of Mines samples for geochemical...
This report and digital data release presents 209 new geochemical analyses on historic U.S. Bureau of Mines (USBM) samples, including 90 rock, 9 stream sediment, 14 soil, and 96... -
Drill hole locations within the Johnson-107 coal zone, Carbon County, Wyoming (scptg)
This ArcView shapefile contains a representation of the Drill Hole Locations within the Johnson-107 coal Zone. This theme was created specifically for the National Coal... -
Geologic map of the Makushin volcanic field, Unalaska Island, Alaska
Report of Investigation 97-20, Geologic map of the Makushin volcanic field, Unalaska Island, Alaska, covers most of the north end of Unalaska Island, which is the extent of the... -
Geochemistry Data from Samples Collected in 2015-2017 to study an OG...
These metadata sets present the comprehensive geochemical composition of solid and water samples from the site of a 11.4ML (million liters) wastewater spill discovered in... -
Trace elements, stratigraphic data, and proximate analysis samples in the...
This ArcView shapefile contains a point representation of the trace elements, stratigraphic data, and the proximate analysis samples in the Wyodak-Anderson Coal Zone. This theme... -
Geochemical Database for the Brackish Groundwater Assessment of the United...
Brackish groundwater (BGW), defined for this assessment as having a dissolved-solids concentration between 1,000 and 10,000 milligrams per liter is an unconventional source of... -
Drill hole locations within the Gillette coal field
This coverage contains a representation of the well locations in the Gillette Coalfield. This theme was created specifically for the National Coal Resources Assessment in the... -
National Brackish Groundwater Assessment 2017
Brackish groundwater (BGW), defined for this assessment as having a dissolved-solids concentration between 1,000 and 10,000 milligrams per liter, is an unconventional source of... -
Aqueous Rare Earth Elements, Concentration, and Stable Isotopes in Deep...
Presentation given to National Groundwater Association meeting on deep basin brines. This presentation discusses why produced waters are being observed, the importance of REE's,... -
Whole Rock Major and Trace Element Chemistry for Igneous and Sedimentary...
This data release contains whole rock major and trace element data for 399 igneous and sedimentary rock samples collected from the Western Alaska Range between 1968 and 2014 and... -
Federal Outer Continental Shelf (OCS) Sand and Gravel Borrow Areas (Lease Areas)
The Federal Outer Continental Shelf (OCS) Marine Mineral (e.g. sand and gravel) Lease Areas layer is maintained by the Bureau of Ocean Energy Management (BOEM), part of the U.S.... -
U-Pb Isotopic Data and Ages of Zircon and Titanite from Rocks from the...
This data set contains U-Pb isotopic data and ages of zircon and titanite from igneous and metamorphic rocks collected from the western Alaska and northern Aleutian Range of... -
Data tables related to geology and gold mineralization in the Richardson...
This report describes the results of geologic mapping and sample analysis from the Richardson district, east-central Alaska. -
Gulf of Alaska Shelf and Slope Iron and Nitrate Data, Copper River Region, 2010
These are data from cruises carried out in April, May and July 2010 from the Copper River (AK) mouth to beyond the shelf break, ~150 km from shore. The focus of the dataset is... -
Geochemical Composition of Urban Stormwater Runoff Within the Conterminous...
These analyses provide the basic geochemical composition of urban stormwater runoff from rainwater/stormwater that does or has the potential to infiltrate groundwater from Green... -
Major-Oxide, Minor-Oxide, Trace-Element, and Geochemical Data from Rocks...
Alaska Division of Geological & Geophysical Surveys (DGGS) personnel collected rock samples while mapping the bedrock geology along a 12-mile-wide swath following the Alaska... -
Geochemical, major-oxide, minor-oxide, trace-element, and rare-earth-element...
Mineral-resources personnel from the Alaska Division of Geological & Geophysical Surveys conducted reconnaissance sampling of the William Henry Bay area in the Juneau C-4...