How Did They Build That? Tunnel

From the Series Community Connections
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$20.45

This title discusses how tunnels are built, from planning and excavation to construction to site design.

  • Why Do People Build Tunnels?
  • Getting Ready
  • Making the Walls and Ceiling
  • Keeping People Safe
  • Glossary
  • Find Out More
  • Index
  • About the Author

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