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Filter: Categories of Wisconsin Historical Images
Filter: Subject of Electric power
Filter: Year of 1900-1999
Filter: Subject of tunnels
| Date: | 07 01 1912 |
|---|---|
| Description: | A view through the runway (tunnel) cast into the concrete structure of the power dam at Prairie du Sac. |
| Date: | 10 30 1959 |
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| Description: | Leon A. Hendrickson, supervisor of services, pointing to a blower which is used to send air into the tunnel carrying power lines from the state power plant... |
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