Overview of the Core Research Center (CRC) in Denver for preserving valuable rock cores for permanent storage and making the cores available for examination and testing. Includes links to services, well reports, and resources.
The Crater Lake Data Clearinghouse website is a gateway to information and data on Crater Lake with links to data downloads of bathymetry, maps and imagery, a fly-by movie, photos, and information on geology, maps, history, and biota.
Description of the work and results of a cruise by the Pacific Sea Floor Mapping project to map the Long Beach, California continental shelf based on data from high-resolution multibeam technology.
Detailed measurements of elevation help to understand the extent and severity of subsidence. Study asks if subsidence indicates the aquifer system is compacting temporarily or permanently, and are the changes human-induced or tectonic.
Use of diatoms in biostratigraphy, coastal and estuarine studies, paleoceanology, paleoliminology, earthquake studies, environmental quality and forensic studies. Includes listing of USGS diatom projects and links to other diatom websites.
Color images of western states containing digitized topographic data. The images have been compressed and don't show as much detail as full-sized maps.
Description of what Digital Orthophoto Quadrangles are and how to obtain them plus information on the DOQ program, points of contact, DOQ status graphic, examples of DOQs, and free data viewer software.
U.S. Department of the Interior |
U.S. Geological Survey