Rapid excavation: significance, needs, opportunities.
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Rapid excavation: significance, needs, opportunities.

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Published by National Academy of Sciences in Washington .
Written in English


  • Earthwork

Book details:

Edition Notes

SeriesNational Academy of Sciences. Publication 1690, Publication (National Research Council (U.S.)) ;, no. 1690.
LC ClassificationsTA715 .N37
The Physical Object
Pagination48 p.
Number of Pages48
ID Numbers
Open LibraryOL5634693M
LC Control Number68061719

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