TY - GEN AU - Howard, Alan, CN - TA800 ID - 1395422 KW - Tunneling LK - https://univsouthin.idm.oclc.org/login?url=https://ebookcentral.proquest.com/lib/usiricelib-ebooks/detail.action?docID=5434652 N1 - Includes index. SN - 9780873354677 (e-book) T1 - North American tunneling 2018 proceedings / TI - North American tunneling 2018 proceedings / UR - https://univsouthin.idm.oclc.org/login?url=https://ebookcentral.proquest.com/lib/usiricelib-ebooks/detail.action?docID=5434652 ER -