Munn, Matthew D.2023-06-072023-06-071992https://unbscholar.lib.unb.ca/handle/1882/30827electronicen-CAhttp://purl.org/coar/access_right/c_16ecAnalysis of rock mass support systems using precedent based and numerical simulation procedures : B.C. Rail Tumbler Ridge Tunnels British Columbia, Canadasenior reportC., WhiteEngineering