Minnesota ➔ Garden of stalactite formations, Niagra Cave postcard
Postcards
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items
Color postcard of the inside of Niagra Cave.~root~>
Color postcard of the inside of Niagra Cave.~root~>
Archives Vault ➔ R19 D1 S3 ➔ Northfield Minnesota Postcard Collection. US-MnNS-0004. Box 2