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| Argo Gold Mine & Mill (c1894). Idaho Springs, CO. On National Register. | Antique ore cars at Argo Gold Mine & Mill. Idaho Springs, CO. | Stamp mill used to break up ore rocks at Argo Gold Mine & Mill. Idaho Springs, CO. | Lift bucket shaft on end of Argo Gold Mine & Mill. Idaho Springs, CO. |
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| Various ore milling machines inside Argo Gold Mine & Mill. Idaho Springs, CO. | Water table used to separate gold flakes from sand, similar to panning, at Argo Gold Mine & Mill. Idaho Springs, CO. | Ore rock at Argo Gold Mine & Mill. Idaho Springs, CO. | Gold flecks in ore rock at Argo Gold Mine & Mill. Idaho Springs, CO. |
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| Demonstration of rock drilling holes to be loaded with explosives to blast rock into chunks for milling at Argo Gold Mine & Mill. Idaho Springs, CO. | Argo tunnel built 1893 to carry water out of mines at Argo Gold Mine & Mill. Idaho Springs, CO. On National Register. | Double Eagle Gold Mine visited by tourists at Argo Gold Mine & Mill. Idaho Springs, CO. | Mine face in Double Eagle Gold Mine at Argo Gold Mine & Mill. Idaho Springs, CO. |
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| Antique side dump ore car at Argo Gold Mine & Mill. Idaho Springs, CO. | Heavy equipment transport wagon (1870-1899) at Argo Gold Mine & Mill. Idaho Springs, CO. | Passenger stage coach (1850-1899) at Argo Gold Mine & Mill. Idaho Springs, CO. | Colorado & Southern (C&S) steam locomotive #60 (1886) built by Rhode Island Locomotive Works at Idaho Springs City Hall. Idaho Springs, CO. |
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| Nose of Colorado & Southern (C&S) steam locomotive #60 (1886) at Idaho Springs City Hall. Idaho Springs, CO. | Colorado & Southern rail passenger coach #70 1896 built by St. Charles Coach Company at Idaho Springs City Hall. Idaho Springs, CO. | Miner St. Streetscape of Idaho Springs. Idaho Springs, CO. On National Register. | Miner St. Streetscape of Idaho Springs. Idaho Springs, CO. |
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| Brunswick Flat Building (1880-1) (1506 Miner St.). Idaho Springs, CO. | Idaho Springs City Hall (former Grass Valley School House) (c1910) (1711 Miner St.). Idaho Springs, CO. Style: Romanesque American Four Square. | City Hall & Windsor Building (1873) (1639-41 Miner St.)against mountain backdrop. Idaho Springs, CO. | Normandeau & J.Rohner building (1881 & 1906) (1617 Miner St.). Idaho Springs, CO. Style: Italianate. |
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| Facades along Miner St. Idaho Springs, CO. | Idaho Springs Opera House (1912) (1535 Miner St.). Idaho Springs, CO. | Mining Exchange Building (1879) (1519 Miner St.). Idaho Springs, CO. | Manchett building (1890) (1431-35 Miner St.). Idaho Springs, CO. |
