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So, the instruments collect data in grid squares
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Secrets of the Underground

So, the instrumentscollect data in grid squares, so we're using the transit to layout the...

So, the instruments
collect data in grid squares, so we're using the transit to lay
out the stakes at even increments

Full Transcript

00:00:01.000 --> 00:00:03.088
So, the instruments collect data in grid squares,
00:00:03.096 --> 00:00:08.012
so we're using the transit to lay out the stakes at even increments.
Duration
8 seconds
Views
14
Timestamp in Movie
00:31:44
Uploaded
Jul 10, 2025
Season
1
Episode
2
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 • E03 But local lore holds a wild theory. - Secrets of the Underground 00:04
But local lore holds a wild theory.
S01 • E08 As a scientist, I know the only way - Secrets of the Underground 00:07
As a scientist, I know the only way
S01 • E01 The Mina Mounds are located within the Ring of Fire, - Secrets of the Underground 00:08
The Mina Mounds are located within the Ring of Fire,
S01 • E03 RON: When I was a kid, you know, before I even started working here, - Secrets of the Underground 00:07
RON: When I was a kid, you know, before I even started worki...
S01 • E07 And built this site still seems A bit far-fetched to me. - Secrets of the Underground 00:05
And built this site still seems A bit far-fetched to me.
S01 • E08 So I need a close-up view of the rocks, - Secrets of the Underground 00:07
So I need a close-up view of the rocks,
S01 • E01 Roughly 90% of the world's earthquakes occur along this path. - Secrets of the Underground 00:04
Roughly 90% of the world's earthquakes occur along this...
S01 • E02 And it sends out a laser beam to a receiver which allows us - Secrets of the Underground 00:06
And it sends out a laser beam to a receiver which allows us
S01 • E03 Like maybe some giant underground cavern or something... Exactly. - Secrets of the Underground 00:04
Like maybe some giant underground cavern or something... Exa...
S01 • E08 We've got two propellers in the back, we got a propeller on top, - Secrets of the Underground 00:06
We've got two propellers in the back, we got a propelle...
S01 • E03 ..that's basically acting as a reservoir. Exactly. - Secrets of the Underground 00:05
..that's basically acting as a reservoir. Exactly.
S01 • E01 Some scientists have speculated - Secrets of the Underground 00:12
Some scientists have speculated
S01 • E02 Jamie, stand by. We're pretty close to being able to shoot a beam to you. - Secrets of the Underground 00:06
Jamie, stand by. We're pretty close to being able to sh...
S01 • E08 So a member of Mark's team helps me prep the camera-mounted ROV, - Secrets of the Underground 00:08
So a member of Mark's team helps me prep the camera-mou...
S01 • E03 Apparently, according to my research, - Secrets of the Underground 00:08
Apparently, according to my research,
S01 • E01 In my research, I came across a pretty low-tech experiment - Secrets of the Underground 00:07
In my research, I came across a pretty low-tech experiment
S01 • E08 This one, nicknamed Jake, is fully loaded with three cameras, - Secrets of the Underground 00:09
This one, nicknamed Jake, is fully loaded with three cameras...
S01 • E03 A massive reservoir was recently discovered - Secrets of the Underground 00:06
A massive reservoir was recently discovered
S01 • E03 And there are signs that similar water pockets - Secrets of the Underground 00:07
And there are signs that similar water pockets
S01 • E08 It can withstand the frigid water temperature of Lake Michigan - Secrets of the Underground 00:08
It can withstand the frigid water temperature of Lake Michig...