The first tunnels -- Technology changes the way we build tunnels -- Who builds tunnels? -- The world's coolest tunnels -- When disaster strikes tunnels.
Summary:
"Today's tunnels, which extend through mountains and underneath oceans and rivers, are marvels of engineering. In this engaging title, readers take a close-up look at these structures and how they are built and maintained. Each chapter will focus on a key area, including the earliest tunnels, the technological advances that have improved their design and construction over time, profiles of tunnel-related careers, and examples of the most impressive tunnels in the world. This book's contents correlate with Next Generation Science Standards, ensuring that young readers will be left with a deeper appreciation and respect for tunnels and the workers that create and maintain them."--Provided by publisher.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.