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Geologic map of the Upper Chena River area, eastern interior Alaska
Geologic studies of the upper Chena River area were undertaken in 1983 as part of the Interior Mining District Evaluation Program, a series of projects designed to develop new... -
Palynological and thermal maturity analysis of outcrop samples from the...
This data release provides palynomorph assemblages, kerogen observations, thermal maturity estimates, age interpretations, and field station locations of palynology samples... -
Bedrock Geology
Bedrock Geology Set is a 1:50,000-scale, polygon and line feature-based layer describing the solid material that underlies the soil or other unconsolidated material of the earth... -
Horizontal-to-Vertical Spectral Ratio (HVSR) Passive-Seismic Data Collected...
In April 2015, a total of 34 passive seismic surveys were conducted in the Cedar River Floodplain. The horizontal-to-vertical spectral ratio (HVSR) method is a passive seismic... -
U-Pb and Lu-Hf isotope, age, and trace-element data from zircons at four...
This Division of Geological & Geophysical Surveys (DGGS) Raw Data File presents U-Pb geochronology and Lu-Hf isotopic compositions, age-dating results, and additional trace-... -
Utah FORGE UGS Interactive Geoscience Map
This is a link to the Utah Geological Survey's Utah FORGE Interactive Geoscience Map. The map layers include information on geology, geography, subsurface temperatures,... -
Geology of Kasatochi volcano, Aleutian Islands, Alaska
Kasatochi is a small, isolated island volcano in the center of the Aleutian Island chain. It consists of a roughly circular cone approximately 3 km in diameter with a lake-... -
Sites LVHVSR100 to LVHVSR145: Horizontal-to-Vertical Spectral Ratio and...
This page contains horizontal-to-vertical spectral ratio (HVSR) data for 28 measurements, LVHVSR1 through LVHVSR97. In October and November of 2016 and 2017, the U.S. Geological... -
Selected geologic data for the shallow groundwater system in the Lower...
This point dataset contains geologic information concerning regolith thickness and top-of-bedrock altitude at selected well and test-hole locations in the Lower Gunnison River... -
Qualitative assessment of composition and reservoir quality of...
Raw Data File 2021-13, Qualitative assessment of composition and reservoir quality of Albian-Cenomanian Nanushuk Formation sandstones, measured outcrop sections, central North... -
Electrical Resistivity Tomography (ERT) Surveys on Cedar River Floodplain,...
Electrical resistivity tomography (ERT) surveys were collected in April 2015 to support hydrogeologic characterization of the alluvial aquifer and to assess the suitability of... -
Geology of Kasatochi volcano, Aleutian Islands, Alaska
Kasatochi is a small, isolated island volcano in the center of the Aleutian Island chain. It consists of a roughly circular cone approximately 3 km in diameter with a lake-... -
Digital Polygon Model Grid of the Hydrogeologic Framework of Bedrock Units...
The hydrogeologic framework for the Lake Michigan Basin model was developed by grouping the bedrock geology of the study area into hydrogeologic units on the basis of the... -
Geologic map of the Kavik River area, northeastern Brooks Range, Alaska
Report of Investigation 2011-3A, Geologic map of the Kavik River area, northeastern Brooks Range, Alaska, presents 1:63,360-scale geologic mapping of the Mt. Michelson B-5 and... -
Detailed geologic mapping geodatabase for the Blue Ridge Parkway in Virginia...
The US Geological Survey, in cooperation with the National Park Service, mapped 35 7.5-minute quadrangles, within a 2-mile-wide+ corridor centered on the Parkway, from BLRI... -
Digital geospatial datasets in support of hydrologic investigations of the...
The U.S. Geological Survey developed this dataset as part of the Colorado Front Range Infrastructure Resources Project (FRIRP). One goal of the FRIRP was to provide information... -
Sites LVHVSR1 to LVHVSR97: Horizontal-to-Vertical Spectral Ratio and...
This page contains horizontal-to-vertical spectral ratio (HVSR) data for 86 measurements, LVHVSR1 through LVHVSR97. In October and November of 2016 and 2017, the U.S. Geological... -
Nahant to Gloucester, Massachusets Depth to Bedrock (bedrock_depth)
These data are high-resolution seismic reflection profile data of the seafloor offshore of Massachusetts, from Nahant to Gloucester. Approximately 1,175 kms of seismic... -
Bedrock contours underlying the alluvium of the Lower Arkansas River Valley,...
Contours (20-foot interval) showing altitude of the bedrock surface in feet above NGVD 29 underlying the alluvium in the Lower Arkansas River Valley, Southeast Colorado. Source... -
Bedrock Data from Western Cape Cod, Massachusetts (WELLSITE shapefile,...
Cores collected from recent drilling in western Cape Cod, Massachusetts provide insight into the topography and petrology of the underlying bedrock. Cores from 64 drill sites...