This collection contains metadata for six individual datasets that
are not spatially complete for the state of Montana. These include
1. Yellowstone National Park boundary 1:2Million ...
The Human Exposure Database System (HEDS) is an integrated database
system that contains chemical measurements, questionnaire responses,
documents, and other information related to EPA research studies ...
The ZIPFIP database consists of several databases that are
designed for use with the ZIPFIP program. They include the 1980
population and demographic data by county & ZIP code, the 1982
National Resources ...