| Bridges: Gateway to Minnesota environmental and natural resources information. A cooperative venture between state agencies. Search or browse. |
| From Site to Story: Archaeology and history along the upper Mississippi River. Contains archived visuals (photos, maps, illustrations and paintings), artifact and excavation photos, searchable bibliographies, site reports and links to important web sites. |
| Minnesota Geological Survey: Conducts basic and applied earth science research and promotes education. Site includes geologic maps, educational materials about the state's rocks and landscapes, abstracts of ongoing research, and information about available publications. |
| Minnesota Worm Watch: Collaborative effort enlisting students to monitor invading exotic earthworms in the state's forests and other natural habitats. Includes information on worm biology and identification. |
| Natural History of the Northwoods: Species lists, photos, and descriptions of plants and animals in Northern Minnesota and neighboring areas. |
| Office of the State Archaeologist: State agency charged with directing archaeological research in Minnesota, preserving sites and objects, protecting burial sites. In certain cases, archaeologists must be licensed by the OSA. Information on the office and on archaeology in the state. |
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