b'BISON OFC_OBC 2020.qxp_Layout 111/25/1910:59 AMPage 1West River CooperativeTelephone Co.P. O. Box 39 JANUARY 2020 WEST RIVER COOPERATIVE TELEPHONE CO. BISON, SOUTH DAKOTA067063 Bison, South Dakota 57620SOUTH DAKOTAONE-CALL NOTIFICATION CENTER811or 1-800-781-7474CALL - BEFORE - YOU - DIGwww.sdonecall.comNORTH DAKOTAONE-CALL NOTIFICATION CENTER1-800-795-0555CALL - BEFORE - YOU - DIGwww.ndonecall.comMONTANAONE-CALL NOTIFICATION CENTER811or 1-800-424-5555CALL - BEFORE - YOU - DIGwww.montana811.orgBefore you dig - please contact the One-Call Notifica-tion Center for the state you are working in.By usingOne-Callyoucanfindoutifthereareanyunder-ground facilities of any type within the area where youwill be digging.Visit Us At Our Community News & Events Site - www.bisonguide.com'