"This freely available comprehensive index and its associated metadata,
coupled with explanatory text, historical context, and CSV file, make the soil surveys easily discoverable to researchers as well as general users." (From an award citation.) Created in 2020.
Including: Bathymetry and Global Relief; Earth Observation Group; Geomagnetism; Marine Geology and Geophysics; Natural Hazards Data, Images and Education; and Space Weather & Solar Events.
From NTIS, the National Technical Information Service. "The National Technical Information Service acquires, indexes, abstracts, and archives the largest collection of U.S. government-sponsored technical reports in existence."
"Science.gov searches over 60 databases and over 2,200 scientific websites to provide users with access to more than 200 million pages of authoritative federal science information including research and development results."