Railroads. Colorado Railroads building and proposed in San Juan area, 1880. Mi-Co San Juan pr p.35 mining collection Proposed road from Denver to Georgetown, then through the Vidler tunnel, and to San Diego. Mi-Co Summit bou p.3 mining collection Mi-Co Summit bou 1 p.3 Proposed railway from Pagosa Springs to Arboles, Colorado which is fine fruit belt. Times Jun. 12, 1899 P.3 c 2 History of lines embraced in the Colorado and Southern and the consolidation; list with dates. Times Jan. 9, 1899 p.l