602 items found
Type:Image
Subject:Gold mines and mining
Interstate 70
Interstate 70
Description:Photograph inside a mining tunnel (owned by Columbine metals) in Lawson, Colorado, taken for the I-70 project before the interstate was built. Shows tracks and support beams. Sign reads "Proj. I 70-3-7 Parcel [no number listed]."
Type:Image
Subject:Gold mines and mining
Interstate 70
Interstate 70
Description:Photograph inside a mining tunnel (owned by Columbine metals) in Lawson, Colorado, taken for the I-70 project before the interstate was built. Shows tracks and support beams. Sign reads "Proj. I 70-3-7 Parcel [no number listed]."
Type:Image
Subject:Railroad tracks
Description:Postcard with a colored view of Clear Creek and the Colorado and Southern Railroad tracks at Inspiration Point in Clear Creek Canyon, Colorado. Unknown publisher, no. 139. Front of postcard includes handwritten note reading "Howdy - 'Cousin Carpenter' am delighted with postal from Jamesville - am having just a glorious time in Denver - spent Saturday going through this canon. This is certainly a beautiful country. J. M. B." Sent from Denver, Colo. Capital Hill Station on August 6 to Mr. Henry Carpenter of Jamesville, Wisconsin.
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Type:Image
Subject:Gold mines and mining
Interstate 70
Interstate 70
Description:Photograph of the interior of an unknown building in Lawson, Colorado (owned by Columbine metals), taken for the I-70 project before the interstate was built. Includes old equipment. Sign reads "Proj. I 70-3-7 Parcel 196-198."
Type:Image
Subject:Gold mines and mining
Interstate 70
Interstate 70
Description:Photograph of the interior of an unknown building in Lawson, Colorado (owned by Columbine metals), taken for the I-70 project before the interstate was built. Part of the roof is gone. Sign reads "Proj. I 70-3-7 Parcel 196-198."
Type:Image
Subject:Hydroelectric generators
Description:Photograph of one of the hydroelectric power generators in the Georgetown, Colorado Power Plant (Power House), with danger sign in front.
Type:Image
Subject:Hydroelectric generators
Description:Photograph of one of the hydroelectric power generators in the Georgetown, Colorado Power Plant (Power House), showing much of the interior
Type:Image
Subject:Hydroelectric generators
Description:Photograph of the machinery associated with the first of the hydroelectric power generators in the Georgetown, Colorado Power Plant (Power House).
Type:Image
Subject:Hydroelectric generators
Description:Photograph of the belts on the second hydroelectric power generator in the Georgetown, Colorado Power Plant (Power House).
Type:Image
Subject:Hydroelectric generators
Description:Photograph of the second hydroelectric power generator and the air compressor in the Georgetown, Colorado Power Plant (Power House).