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Preservation task leads to amazing family discovery

While using a relatively new technique to safely preserve historic and brittle panoramic photos, a staff member with the University Libraries’ Collection Management and Preservation Department made an amazing — and very personal — discovery.
map details on copper plate

Restoring USGS copper plates

Collections Management and Preservation at the University of Minnesota Libraries is working on a fascinating project for the John R. Borchert Map Library: We’re cleaning and preparing for display a collection of 36 copper plates that were used to print United States Geological Survey (USGS) maps.