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Cave Entrances (Artificial)
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Managed By: Icon Here Artificial Caves
Description:
Caves that were built with manpower.
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Currently displaying Cave Entrances (Artificial)

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Image for Harpers Ferry Tunnel - Maryland Heights, MDview gallery
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Cave Entrances (Artificial)Harpers Ferry Tunnel - Maryland Heights, MD

in Cave Entrances (Artificial)

A train tunnel in Maryland Heights.

posted by: Groundspeak Premium Member bluesnote

location: Maryland

date approved: 12/23/2018

last visited: 12/23/2018

Image for Silly Mountain Mine - Apache Junction, AZview gallery
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Cave Entrances (Artificial)Silly Mountain Mine - Apache Junction, AZ

in Cave Entrances (Artificial)

This is the opening to a failed mine in the Superstition Mountains.

posted by: Groundspeak Premium Member rjmcdonough1

location: Arizona

date approved: 12/23/2018

last visited: never

Premium Member Downloads: download.GPX Lite File       download.LOC File       download .KML File (Google Earth)