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¡Ü Dimensions of Tunnels
Already Discovered
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Division
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1st Tunnel
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2nd Tunnel
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3rd Tunnel
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4th Tunnel
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Date of Discovery
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Nov. 15, 1974
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Mar. 19, 1975
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Oct. 17, 1978
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Mar. 3, 1990
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Location
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8km northeast of
Korangp'o
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13km north of Ch'orwon
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4km south of P'anmunjom
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26km northeast
of Yanggu
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Dimensions in
meters
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3,500×1.2×0.9
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3,500×2×2
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1,635×1.95×2.1
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2,052×2×2
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Length of tunnel
in meters*
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1,000
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1,100
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435
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1,028
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Depth from ground
in meters
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45
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50-160
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73
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145
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Structure
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Concrete
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Arch-shaped &
Bored through bedrock
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Arch-shaped &
Bored through bedrock
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Arch-shaped &
Bored through bedrock
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Capability of
moving troops an hour
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One regiment
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30,000 troops &
field artillery
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30,000 troops &
field artillery
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Massive forces
& field artillery
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Distance from
Seoul
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65km
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101km
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44km
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203km
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| * South of the Military
Demarcation Line |
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