at&t Canada Long Distance Services Co. (Vancouver, BC, Canada) unveiled the Western Canada portion

at&t Canada Long Distance Services Co. (Vancouver, BC, Canada) unveiled the Western Canada portion of its sonet ring fiber network, taking another step towards its goal of developing a national fiber network by the year 2000. An important element of the network is its two routes through the failure-prone Rocky Mountain region, which provide immediate backup if either fiber-optic route is damaged.