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According to Jarrod, using rocks mixed with soil
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Secrets of the Underground

According to Jarrod,using rocks mixed with soil was a technique developedby later cultures...

According to Jarrod,
using rocks mixed with soil was a technique developed
by later cultures in this area, which could indicate a more advanced
group of people created this mound, like the Fort Ancients

Full Transcript

00:00:01.000 --> 00:00:03.084
According to Jarrod, using rocks mixed with soil
00:00:03.092 --> 00:00:07.004
was a technique developed by later cultures in this area,
00:00:07.012 --> 00:00:11.008
which could indicate a more advanced group of people created this mound,
00:00:11.016 --> 00:00:12.092
like the Fort Ancients.
Duration
13 seconds
Views
13
Timestamp in Movie
00:35:22
Uploaded
Jul 09, 2025
Season
1
Episode
2
Genres

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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...