LEADER 01859nam 2200433 450 001 9910154840603321 005 20230810001451.0 010 $a1-63472-229-9 035 $a(CKB)3710000000972093 035 $a(MiAaPQ)EBC5154206 035 $a(EXLCZ)993710000000972093 100 $a20180504d2017 uy 0 101 0 $aeng 135 $aurcnu|||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aDams /$fby Virginia Loh-Hagan 210 1$aAnn Arbor, Michigan :$cCherry Lake Publishing,$d[2017] 210 4$dİ2017 215 $a1 online resource (24 pages) $cillustrations 225 1 $a21st century junior library. Extraordinary engineering 311 $a1-63472-163-2 320 $aIncludes bibliographical references and index. 327 $aWhat are dams? -- How do buttresses push back on water? -- How does gravity push back on water? -- How do arches push back on water? -- Try this! 330 $a"The 21st Century Junior Library Extraordinary Engineering series explains how important feats of engineering are accomplished. Dams examines the engineering concepts that make these critical structures possible. Sidebars encourage readers to engage in the material by asking deeper questions or conducting individual research. An activity, full color photos, a glossary, and a listing of additional resources all enhance the learning experience"--$cProvided by publisher. 606 $aDams$vJuvenile literature 606 $aDams$xDesign and construction$vJuvenile literature 615 0$aDams 615 0$aDams$xDesign and construction 676 $a627/.8 700 $aLoh-Hagan$b Virginia$01225467 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 906 $aBOOK 912 $a9910154840603321 996 $aDams$92892706 997 $aUNINA