Copper-nickel in Minnesota a time of choice.
Preserving the wilderness areas of northeast Minnesota against the increased demands for minerals.
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| Corporate Author: | |
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| Format: | Video |
| Language: | English |
| Published: |
Brimson, Minn. :
Midwest Visuals,
1975.
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| Subjects: |
| Summary: | Preserving the wilderness areas of northeast Minnesota against the increased demands for minerals. |
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| Physical Description: | 89 slides : color + 1 sound cassette (approximately 15 minutes). |
| Production Credits: | Photographed by members of the Minnesota Copper-Nickel Coalition. |