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Geologic Stories in Grand Canyon
Take a trip through Grand Canyon with USGS geologists to learn about geologic mapping in this iconic landscape. On the trip, scientists from Arizona, New Mexico, California and Colorado also conducted a series of related research studies to inform the geologic maps and geologic history of Grand Canyon.
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Core Science Systems Mission Area, Water Resources Mission Area, Environmental Health Program, National Cooperative Geologic Mapping Program, National Water Quality Program, Toxic Substances Hydrology, Geology, Geophysics, and Geochemistry Science Center, Geology, Minerals, Energy, and Geophysics Science Center, Geosciences and Environmental Change Science Center, New Mexico Water Science Center, Southwest Biological Science Center, Denver Radiogenic Isotope Lab, Mineralogy and Microscopy Laboratory, New Mexico Water Science Center Sediment Laboratory, Organic Geochemistry Laboratory, Geological Materials Repository, Geology and Ecology of National Parks, National Hydrography, Science Data Management, Colorado River Basin: Actionable and Strategic Integrated Science and Technology
U.S. Geological Survey COVID-19 Wastewater Surveillance
USGS, as part of the National Wastewater Surveillance System, designed and implemented high-frequency sampling of wastewater across six states throughout September 2021, to support tracking of potential increases in COVID-19 infections in communities. COVID-19 viral loads were determined for each sample with the goal of delivering results to the CDC within three days of sampling.
Endocrine Disrupting Compounds in the Chesapeake
Findings from US Geological Survey studies on sources, occurrence, effects and risk of contaminants throughout the Chesapeake Bay Watershed.