Argentine Central Locomotive Engine Number 1, Lima 1561, constructed in 1905, first narrow-gauge Shay gear-driven engine designed for line's steep grades and tight curves, at railroad's lower terminus, Silver Plume, Clear Creek County, Colorado;...
Argentine Central Locomotive; Engine Number 4, Lima 1907 construction, narrow-gauge Shay gear-driven engine designed for line's steep grades and tight curves, in front of Silver Plume enginehouse at railroad's lower terminus, Clear Creek, Colorado;...
Interior view of a mining processing mill at the Telluride Mining & Milling Company in Telluride, San Miguel County, Colorado; shows a miner watching a gear-driven ore car dumper.