Digging frozen ground with a ripper bucket /
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Hanover, N.H. :
U.S. Army Corps of Engineers, Cold Regions Research & Engineering Laboratory ; [Springfield, Va. : Available from NTIS,
1992]
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| Series: | Special report (Cold Regions Research and Engineering Laboratory (U.S.)) ;
92-15 Special report (U.S. Army Cold Regions Research and Engineering Laboratory) ; 92-15 |
| Subjects: |