The USGS Core Science Metadata Clearinghouse contains metadata records describing datasets largely focused on wildlife biology, ecology, environmental science, temperature, land cover, and land stewardship.
The Site Inventory System provides inventory of and access to data for sites at stream reaches, wells, test holes, springs, tunnels and other hydrologic locations where hydrologic data is collected by the USGS. Data can be viewed or downloaded.
Clearinghouse for the description and availability of multiple geospatial datasets relating to Alaska from many federal, state and local cooperating agencies under the coordination of the Alaska Geographic Data Committee.
Gateway to easy access for new visitors, students, and general audiences to the array of USGS information on the web with links to the USGS at work, events, news, how to get answers to questions, buying maps and products, and educational resources.
A web-enabled database that provides for the capture, curation, integration, and delivery of bioassessment data collected by USGS, principally macroinvertebrate, algae, fish, and supporting habitat data from rivers and streams.