Site to provide USGS scientists with web-based resoures to transfer new geophysical knowledge and experience; includes methods, tools, publications and training.
Describes project to identify sources of fecal coliform bacteria by ribotyping to develop the use of Maximum Daily Load (TMDL) values for contaminated stream segments in Virginia.
Summary of research on salmon fish resources in the Lake Clark area in Alaska with links to scientific projects, Native Alaskan intern program, lake core analysis, radio telemetry, genetics, subsistence fishing, and research staff.
Brief overview of luminescence dating is presented, including a description of the method, its uses, and proper sample collection techniques. Links to other U.S. laboratories for luminescence dating are also provided.
Homepage for the Missouri District Water-Quality Data & Analysis Section with links to data networks, projects, data availability, mobile laboratories, sampling boat, quality assurance practices, and real-time water-quality data.
Description of project monitoring the status of Greater Glacier National Park Area's grizzly bear and black bear populations using genetic techniques on DNA from bear hair or scats without handling bears, with photos and discussion of methods.
This report presents geochemical data generated during mineral and environmental assessments for the Bureau of Land Management in northern Nevada, northeastern California, southeastern Oregon, and southwestern Idaho, along with metadata and maps.
Database providing concentration of heavy metals, nutrients, and trace elements in 75 species of lichens sampled in 43 national park units in 24 states.
Access is provided to seismic data, image files of seismic data, well logs, and cores of petroleum reserves in Alaska from the National Petroleum Reserve, Alaska, and (NPRA) Legacy Data Archive.
U.S. Department of the Interior |
U.S. Geological Survey