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I've got permission to open up a mound on private land
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Secrets of the Underground

I've got permission to open upa mound on private land, one that I've been told does...

I've got permission to open up
a mound on private land, one that I've been told does not
contain any sensitive artefacts

Full Transcript

00:00:01.000 --> 00:00:04.024
I've got permission to open up a mound on private land,
00:00:04.032 --> 00:00:07.064
one that I've been told does not contain any sensitive artefacts.
Duration
8 seconds
Views
20
Timestamp in Movie
00:36:11
Uploaded
Jul 09, 2025
Season
1
Episode
1
Genres
documentary

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Movie Summary

Using cutting-edge technologies such as ground penetrating radar (GPR), LIDAR (Light Detection and Ranging), and 3-D imaging, scientists research fascinating underworlds of secret tunnel networks, ancient structures, and bizarre g...
S01 • E07 It was invented By research scientists in 2001. - Secrets of the Underground 00:04
It was invented By research scientists in 2001.
S01 • E03 The boulder field continues along the ridge to the north of the lake - Secrets of the Underground 00:08
The boulder field continues along the ridge to the north of ...
S01 • E02 Could similar bloodthirsty rituals have taken place here in Ohio, - Secrets of the Underground 00:06
Could similar bloodthirsty rituals have taken place here in ...
S01 • E08 And it allows scientists to create - Secrets of the Underground 00:05
And it allows scientists to create
S01 • E03 So I'm going to follow the trail to see if it offers any clues - Secrets of the Underground 00:06
So I'm going to follow the trail to see if it offers an...
S01 • E01 The only way to get down in these things and get a good cross-section - Secrets of the Underground 00:07
The only way to get down in these things and get a good cros...
S01 • E02 Jarrod has another tech tool we can use to probe for new clues. - Secrets of the Underground 00:05
Jarrod has another tech tool we can use to probe for new clu...
S01 • E07 With the naked eye. - Secrets of the Underground 00:04
With the naked eye.
S01 • E08 Placing scale bars around the rock as a point of reference - Secrets of the Underground 00:12
Placing scale bars around the rock as a point of reference
S01 • E07 We set up At the first carving, - Secrets of the Underground 00:04
We set up At the first carving,
S01 • E02 It senses differences in the Earth's magnetic field as you walk it along. - Secrets of the Underground 00:05
It senses differences in the Earth's magnetic field as ...
S01 • E03 Near the top of the ridge is a giant boulder field - Secrets of the Underground 00:06
Near the top of the ridge is a giant boulder field
S01 • E02 The top sensor measures Earth's baseline magnetic field, - Secrets of the Underground 00:07
The top sensor measures Earth's baseline magnetic field...
S01 • E08 A line of sight is constructed from the camera - Secrets of the Underground 00:05
A line of sight is constructed from the camera
S01 • E07 When you get the flash off To the side, - Secrets of the Underground 00:08
When you get the flash off To the side,
S01 • E08 Then the triangulation of these lines from multiple photos - Secrets of the Underground 00:13
Then the triangulation of these lines from multiple photos
S01 • E01 It's not exactly cutting-edge tech, - Secrets of the Underground 00:05
It's not exactly cutting-edge tech,
S01 • E02 The sensor on the bottom detects any changes to that magnetic field - Secrets of the Underground 00:07
The sensor on the bottom detects any changes to that magneti...
S01 • E03 We're actually close to where the water is flowing - Secrets of the Underground 00:07
We're actually close to where the water is flowing
S01 • E07 Than you can just looking At it on this flat light. - Secrets of the Underground 00:04
Than you can just looking At it on this flat light.