Darkest depths and other underground megastructures
por
"Describes the technology and engineering used to build deep mines, to drill for oil, and to build deep underground tunnels"--Provided by publisher.
- ● 75% match for you
- ● children's books, science & technology
the long version
"Describes the technology and engineering used to build deep mines, to drill for oil, and to build deep underground tunnels"--Provided by publisher.
Margaret's verdict
""Describes the technology and engineering used to build deep mines, to drill for oil, and to build deep underground tunnels"--Provided by publisher."
highlights
what readers held onto
No highlights yet. Be the first.
discussion
what readers said
No reviews yet. Finish it; tell us what you found.