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Category:Soudan Mine

English: The Soudan Underground Mine State Park, underground research laboratory, and related facilities

This is a category about a place or building that is listed on the National Register of Historic Places in the United States of America. Its reference number is 66000905


This category has only the following subcategory.

Media in category "Soudan Mine"

The following 119 files are in this category, out of 119 total.