timbering
timbering After a volume or blasted muck has been removed, the process of supporting the drift with timber begins. . . . It consists of erecting large pieces of timber in the drift for the purpose of support. JH-25-11-69 [-](in the process of outting a raise)[-] Not used Not used Withdrawn
Format: | Manuscript |
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Language: | English |
Published: |
1969
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Subjects: | |
Online Access: | http://collections.mun.ca/cdm/ref/collection/elrcdne/id/74738 |
Summary: | timbering After a volume or blasted muck has been removed, the process of supporting the drift with timber begins. . . . It consists of erecting large pieces of timber in the drift for the purpose of support. JH-25-11-69 [-](in the process of outting a raise)[-] Not used Not used Withdrawn |
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