Data Releases
The data collected and the techniques used by USGS scientists should conform to or reference national and international standards and protocols if they exist and when they are relevant and appropriate. For datasets of a given type, and if national or international metadata standards exist, the data are indexed with metadata that facilitates access and integration.
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Geospatial Dataset for the Geologic Framework and Hydrostratigraphy of the Edwards and Trinity Aquifers Within Hays County, Texas, at 1:24,000 Scale Geospatial Dataset for the Geologic Framework and Hydrostratigraphy of the Edwards and Trinity Aquifers Within Hays County, Texas, at 1:24,000 Scale
The karstic Edwards and Trinity aquifers are classified as major sources of water in south-central Texas by the Texas Water Development Board, and both are classified as major aquifers by the State of Texas. The Edwards and Trinity aquifers developed because of the original depositional history of the carbonate limestone and dolomite rocks that contain them, and the primary and secondary...
Geospatial Dataset for the Geologic Framework, Hydrostratigraphy, and Ichnology of the Blanco, Payton, Rough Hollow 7.5-Minute Quadrangles, Blanco, Comal, Hays, and Kendall Counties, Texas Geospatial Dataset for the Geologic Framework, Hydrostratigraphy, and Ichnology of the Blanco, Payton, Rough Hollow 7.5-Minute Quadrangles, Blanco, Comal, Hays, and Kendall Counties, Texas
The karstic Edwards and Trinity aquifers are classified as major sources of water in south-central Texas by the Texas Water Development Board, and both are classified as major aquifers by the State of Texas. The original depositional history of the carbonate limestone and dolomite rocks that contain the Edwards and Trinity aquifers provided the starting point from which primary and...
Coastal Single-Beam Bathymetry Data Collected in 2024 From Breton Island, Louisiana Coastal Single-Beam Bathymetry Data Collected in 2024 From Breton Island, Louisiana
As part of the restoration monitoring component of the Deepwater Horizon early restoration project, scientists from the U.S. Geological Survey St. Petersburg Coastal and Marine Science Center (USGS SPCMSC) conducted single-beam and multibeam bathymetry surveys around Breton Island, Louisiana (LA), from August 5-10, 2024, for Field Activity Number (FAN) 2024-320-FA. The purpose of data...
Coastal Single-Beam Bathymetry Data: Midnight Pass and Milton Pass, Florida, June 2025 Coastal Single-Beam Bathymetry Data: Midnight Pass and Milton Pass, Florida, June 2025
In June 2025, the U.S. Geological Survey St. Petersburg Coastal and Marine Science Center (USGS SPCMSC) participated in a multidisciplinary geoscientific field data collection within Midnight Pass and Milton Pass located along Florida’s west-central coastline, which opened as a result of hurricanes Helene and Milton in 2024. Researchers with the Nearshore Extreme Events Reconnaissance...
Detrital sanidine geochronology related to early Colorado River deposits, Arizona and California Detrital sanidine geochronology related to early Colorado River deposits, Arizona and California
Reported here are detrital sanidine argon geochronology data collected to better understand the early evolution of the Colorado River system. Samples were collect throughout the lower Colorado River corridor from Lake Mead to near Cibola, Arizona. Most samples are of the Bouse Formation but also include the deposits of Hualapai Wash, the Lost Cabin beds, and recent Colorado River...
Soil-Water-Balance model and data used in the hydrogeologic framework and conceptual groundwater-flow model of the panhandle and northwest parts of the High Plains (Ogallala) aquifer in Oklahoma, 1998–2022 Soil-Water-Balance model and data used in the hydrogeologic framework and conceptual groundwater-flow model of the panhandle and northwest parts of the High Plains (Ogallala) aquifer in Oklahoma, 1998–2022
The U.S. Geological Survey (USGS), in cooperation with the Oklahoma Water Resources Board (OWRB), constructed a Soil-Water-Balance (SWB) model of the High Plains aquifer system (hereinafter referred to as the "Ogallala aquifer" in northwestern Oklahoma. The SWB model as well as supplementary data were used to (1) estimate recharge to the Ogallala aquifer in northwestern Oklahoma, and (2)...