|aHow do they build tunnels?|h[videorecording] /|cHearst Broadcasting Productions.
|iTitle on cassette label:|aPopular mechanics tunnels
|a[United States] :|bVideo Treasures ;|aTroy, Mich. :|bDistributed by Anchor Bay Entertainment,|c1996.
|a1 videocassette (VHS) (25 min.) :|bsd., col. ;|c1/2 in.
|aPopular Mechanics for kids
|aClosed-captioned for the hearing impaired.
|aFor Hearst Magazines: executive in charge of production, Tom Robotham ; for Popular Mechanics: editor-in-chief, Joe Oldham ; executive producer, John Rice ; producer/director, John Stimpson ; writers, John Stimpson, Chris Schmidt ; associate producers, Katie Toulmin, Nicole Daniel.
|aMatthew Knudsen (Mike), Charlie Epstein (Pop).
|aCome along as Mike and Pop Mechanic learn all about how tunnels are built under water, through mountains and beneath cities. See a tunnel-boring machine in action, visit an actual tunnel construction site 270 feet below the surface, view a conveyer belt that moves 900 tons of rock an hour, and see computer graphics of a famous tunnel-construction project.