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So that leaves one final question
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Secrets of the Underground

So that leaves one final question, can that natural dam be fixedand Mountain Lake be...

So that leaves one final question, can that natural dam be fixed
and Mountain Lake be saved?

Full Transcript

00:00:01.000 --> 00:00:04.000
So that leaves one final question,
00:00:04.008 --> 00:00:08.052
can that natural dam be fixed and Mountain Lake be saved?
Duration
9 seconds
Views
12
Timestamp in Movie
00:43:08
Uploaded
Jul 13, 2025
Season
1
Episode
3
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 • E08 Their size and scale - Secrets of the Underground 00:08
Their size and scale
S01 • E01 And you could never have seen this without running a model like this, - Secrets of the Underground 00:07
And you could never have seen this without running a model l...
S01 • E03 Well, not exactly, but it can save itself. - Secrets of the Underground 00:05
Well, not exactly, but it can save itself.
S01 • E01 Yeah, it's one important component of the puzzle we're trying to solve. - Secrets of the Underground 00:05
Yeah, it's one important component of the puzzle we...
S01 • E03 Since my visit, further research has revealed - Secrets of the Underground 00:07
Since my visit, further research has revealed
S01 • E02 Maybe that missing coil was throwing off the placement - Secrets of the Underground 00:10
Maybe that missing coil was throwing off the placement
S01 • E08 Maybe future excavations will reveal more - Secrets of the Underground 00:09
Maybe future excavations will reveal more
S01 • E01 When I started this investigation, - Secrets of the Underground 00:05
When I started this investigation,
S01 • E03 And these cycles effectively filter out the sediment - Secrets of the Underground 00:08
And these cycles effectively filter out the sediment
S01 • E01 But technology may finally be revealing - Secrets of the Underground 00:37
But technology may finally be revealing
S01 • E08 But our scientific analysis of this long-lost rock formation - Secrets of the Underground 00:08
But our scientific analysis of this long-lost rock formation
S01 • E02 Our scientific analysis of Serpent Mound has revealed secrets - Secrets of the Underground 00:09
Our scientific analysis of Serpent Mound has revealed secret...
S01 • E03 So the lodge has decided not to try to seal the leaks artificially, - Secrets of the Underground 00:08
So the lodge has decided not to try to seal the leaks artifi...
S01 • E08 Like the fact that the Great Lakes were once much smaller - Secrets of the Underground 00:05
Like the fact that the Great Lakes were once much smaller
S01 • E02 For starters, I was able to confirm that the mound - Secrets of the Underground 00:10
For starters, I was able to confirm that the mound
S01 • E08 That mastodons and people crossed paths - Secrets of the Underground 00:06
That mastodons and people crossed paths
S01 • E03 With a little luck, there still may be generations - Secrets of the Underground 00:06
With a little luck, there still may be generations
S01 • E08 And that our prehistoric ancestors had advanced strategies - Secrets of the Underground 00:08
And that our prehistoric ancestors had advanced strategies
S01 • E03 Mountain Lake has been hiding its secrets for centuries, - Secrets of the Underground 00:06
Mountain Lake has been hiding its secrets for centuries,
S01 • E02 Instead, this mound likely served a dual purpose - Secrets of the Underground 00:06
Instead, this mound likely served a dual purpose