Federal Resources
- Census Bureau
- Department of Agriculture, National Resources Conservation Service
- Department of the Interior
- Environmental Protection Agency
- Environmental Protection Agency, Environmental Impact Statement Database
- Environmental Protection Agency, Toxic Release Inventory Program
- Geological Survey, Mineral Resources Program
- GQuerty Global Cross-Database Search
- Library of Congress: Science and Technology
- National Science Foundation (NSF)
- Science.gov
- US EPA: Tar Creek
International Resources
- European Union Homepage, Europa
- Library of Congress, Country Studies
- UNESCO: United Nations Educational, Scientific and Cultural Organization
- United Nations, Food and Agriculture Organization
- United Nations Homepage
- US Central Intelligence Agency, World Fact Book
- US State Department Bilateral Relations Fact Sheet (Background Notes)
- World Food Programme
