C. & S.—Colorado and Southern
D. & R. G.—Denver and Rio Grande
R. G. S.—Rio Grande Southern
R. G. W.—Rio Grande Western
S. G. & N.—Silverton, Gladstone and Northerly
S. N.—Silverton Northern
S. R.—Silverton Railroad (Railway)
W. P. & Y. R.—White Pass and Yukon Railway