 |
|
Minnesota's Ancient Life |
With commentary by Dr. Bruce Erickson of the Minnesota Science Museum, the major life forms of pre-historic times are shown and/or illustrated. Plant life and early mammals are discussed.
|
|
|
|
|
The Glacial Void |
The last glacier bypassed a section of southwestern Wisconsin, and parts of Minnesota, Illinois and Iowa. All of the fascinating results of this glacial void are discussed, including dramatic sinkholes, vast caves, land, and underground rivers.
|
|
|
|
|
Minnesota's Driftless Area |
Travel through this unusual area shows the lingering effects of this geographic phenomenon. Unusual sights are seen, such as plants that are usually found far to the north, a snail thought to have been extinct, sink holes in the topography, and caves that sheltered the first people in the state.
|
|
|
|
|
Minnesota Geographical Survey |
This is a great armchair tour of Minnesota. Many natural features are highlighted, such as the potholes in Interstate Park, sea floor sponge fossils in a deep cave on the Iowa border, cactus and buffalo herds in Blue Mounds State Park, and ancient lava flows in North Shore streams.
|
|
|
|
|
Minnesota's Prairies |
Minnesota's Prairies
|
|
|
|
|
Minnesota's Caves |
Ancient sea life forms are shown along with details of how the caves were formed. Two major cave systems along the Mississippi River and the North Shores of Minnesota were filmed to illustrate this geological formation. The serious problem of cave river pollution is discussed.
|
|
|
