sentences:  Two basaltic cinder cones at the heads of Cracker Creek and Volcanic Creek lie within glacially dissected U-shaped valleys and may be of postglacial age.A Yukon newspaper reported in 1898 that an eruption was occurring near Atlin about 80 km south of Gladys Lake.Miners working in the area reportedly were able to work during the dark nights, due to the glow of the eruption.