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- [5] Contractor utilizes trenchless pipe ramming, slick-boring in Illinois Pipeline and Gas Journal, 2003, 230 (01): : 54 - 56
- [7] Contractor reaches record safety milestone E&MJ-ENGINEERING AND MINING JOURNAL, 2006, 207 (07): : 101 - 101
- [8] Electrical contractor safety management evaluation IMPLEMENTATION OF SAFETY AND HEALTH ON CONSTRUCTION SITES, 1999, : 173 - 180