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Tunneling in Cobbles and Boulders
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Active Listings:
1746
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Total Categories:
14
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163
Statistics
Active Listings:
1746
Pending Listings:
0
Todays Listings:
0
Total Categories:
14
Sub Categories:
163
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Tunneling in Cobbles and Boulders
Website URL:
https://tunnelingshortcourse.com/2017-presentations/hunt-tunneling...
Category:
Leather Crafts
Hunt, Tunneling in Cobbles and Boulders, Breakthroughs in Tunnelling 2017 3 improvement required for manual drilling and splitting. 1.2 Geologic Setting
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