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Organochlorine contaminant concentrations in double-crested cormorant eggs or nestlings in the Green Bay, WI region from 1994 and 1995 Organochlorine contaminant concentrations in double-crested cormorant eggs or nestlings in the Green Bay, WI region from 1994 and 1995
Double-crested cormorant (Phalacrocorax auritus) fresh eggs and sibling embryos at pipping were collected from a polychlorinated biphenyl (PCB)- contaminated colony in Green Bay, Wisconsin, USA. Egg contents were analyzed for organochlorine (OC) contaminants, including 15 aryl hydrocarbon-active PCB congeners. Concentrations of 20 organochlorine contaminants present in double-crested...
Post-2018-collapse microgravity data from campaign measurements at Kīlauea, Hawaiʻi Post-2018-collapse microgravity data from campaign measurements at Kīlauea, Hawaiʻi
Campaign microgravity data have been collected at Kīlauea, Hawaiʻi, since 1975 to assess changes in mass associated with magmatic activity. The network of stations was disrupted by the 2018 summit collapse and was subsequently reestablished, with surviving and some new sites occupied regularly to track magmatic activity beneath the volcano. This data release includes microgravity data...
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...