View Historical Standards for D4879:

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Document Designation and Title Year Select Item(s) D4879 Standard Guide for Geotechnical Mapping of Large Underground Openings in Rock 02(2006) D4879 Standard Guide for Geotechnical Mapping of Large Underground Openings in Rock 02 D4879 Standard Guide for Geotechnical Mapping of Large Underground Openings in Rock 89(1996)e1