"...Carlsbad Caverns National Park in New Mexico has a mailbox 750 feet underground, and mail sent from there receives a handstamp noting the distance below the surface...."
This Article is From: www.linns.com
Showing posts with label Carlsbad Caverns hand-stamp. Show all posts
Showing posts with label Carlsbad Caverns hand-stamp. Show all posts
Thursday, November 2, 2023
Carlsbad Caverns postcard mailed from 750 feet underground
This Article is From: www.linns.com
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