Geography; Earth Sciences; Environmental Studies; Government Information: United States
This is a prototype version of a Database which provides access to maps and other spatially referenced data for geology, geophysics, marine geology, earth resources, hazards, geochemistry, geochronology, and paleontology.
Earth Sciences; Environmental Studies; Science (General); Engineering; Government Information: United States
Provides indexing and access to a collection of more than two million historical and current government technical reports archived by the National Technical Information Service. Over 500,000 documents are available in full-text format.