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035   $a(DE-He213)978-3-030-53043-3
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101 0 $aeng
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181   $ctxt$2rdacontent
182   $cc$2rdamedia
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200 10$aIce Age floodscapes of the Pacific Northwest $ea photographic exploration /$fBruce Norman Bjornstad
205   $a1st ed. 2021.
210  1$aCham, Switzerland :$cSpringer,$d[2021]
210  4$d©2021
215   $a1 online resource (XI, 180 p. 298 illus., 291 illus. in color.) 
311   $a3-030-53042-6 
320   $aIncludes bibliographical references and index.
327   $aChapter 1.Introduction -- Chapter 2-Background -- Chapter 3-Ice age outbursts -- Chapter 4-Channeled scabland -- Chapter 5-Erosional features -- Chapter 6-Depositional features. .
330   $aThis heavily illustrated book contains descriptions and geologic interpretations of photographs (mostly aerial) illustrating the power and magnitude of repeated Ice Age flooding in the Pacific Northwest, as recently as 14,000 years ago. The scale of Ice Age floods was so huge that today it is often difficult to see and appreciate the power and magnitude of such megafloods from ground level. However, from the air, landforms created by the floods often come into clear focus. Aerial images, obtained via unmanned aerial vehicle (drone) as well as fixed-wing airplane, add a new perspective on evidence gathered by dozens of scientists since 1923.
606   $aGlacial epoch$zNorthwest, Pacific
615  0$aGlacial epoch
676   $a551.792
700   $aBjornstad$b Bruce N.$01081690
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801  1$bMiAaPQ
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906   $aBOOK
912   $a9910484813203321
996   $aIce Age Floodscapes of the Pacific Northwest$92595683
997   $aUNINA