This Data Inventory supports an on-line query system that makes all oil and chemical spill data reported to the Center available via the World Wide Web. National Response Center Data Inventory
A statistical survey of land use and natural resource conditions and trends on U.S. non-Federal lands. Natural Resources Conservation Service – Natural Resources Inventory
Web Soil Survey (WSS) provides soil data and information produced by the National Cooperative Soil Survey. Natural Resources Conservation Service – Web Soil Survey
A collection of over 250 spatial data servers that have digital geographic data primarily for use in Geographic Information Systems (GIS), image processing systems, and other modeling software. FSGeodata Clearinghouse Data Inventory
Offers remotely sensed data management, systems development, and research field center for the U.S. Geological Survey’s (USGS) Geography Discipline. Earth Resources Observation and Science (EROS) Center Data Store
The USGS serves the Nation by providing reliable scientific information to describe and understand the Earth; minimize loss of life and property from natural disasters; manage water, biological, energy, and mineral resources; and enhance and protect our quality of life. Maps, Imagery, and Publications Data Store
Most frequently accessed data sets from NOAA.
Provides data about past climate and environment derived from a diverse range of proxies such as tree rings and ice cores. The data cover the globe, and while most span the last few millennia, some data sets extend back in time 100 million years. National Climatic Data Center – Paleoclimatology Data Inventory
Data is available with the NEXRAD Inventory Search tool from 1991 to 1 day from present. This tool allows users to view the data completeness and download individual products. National Climatic Data Center – Radar Data Access
Provides data pertaining to 400 digital and analog databases. Databases such as Earthquake, Geology, Ionosphere, Solar, and Volcanology are just a few of the many you can find here.