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Building Tunnels

Great Engineering

Tunnels allow people to cut through tall mountains or even travel deep underwater. Discover the engineering behind tunnels.

RL
Grades
3
IL
Grades
2-4
GRL
L
Details:
Product type:
ISBN: 978-1-5026-0600-6
Author: Rebecca Stefoff
Copyright: 2016
Reading Level: Grade 3
Interest Level: Grades 2-4
GRL: L
Lexile: 480L
Dimensions: 7 1/8" x 8 1/2"