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• Sutro_Tunnel abstract "The Sutro Tunnel is a drainage tunnel ( adit ) connected to the Comstock Lode in Northern Nevada. It begins at Virginia City, Nevada and empties approximately 6 miles southeast near the town of Dayton, Nevada. The tunnel was first envisioned by Adolph Sutro in 1860. He promoted the drainage tunnel in order to allow access to deeper mineral exploration in the Comstock. Mine flooding and inadequate pumps had inhibited some exploration activities up to that time.By 1865, Sutro's idea had gained the approval of state and federal legislation. The mining interests of the Comstock also initially supported the tunnel project, but later strongly opposed the idea. They feared that an alternate access point to the Comstock minerals would threaten their monopoly on the mining and milling of gold and silver in the Comstock.Nonetheless, Sutro formed the Sutro Tunnel Company, selling stock certificates to raise funds for its construction, which began in 1869. Financing also came from local miners under the guise of improved mine safety. This was further advocated (perhaps exploited) by Sutro after the Yellowjacket mine disaster where dozens of miners were burned to death because they could not escape the mine.Arthur De Wint Foote worked on the tunnel in 1873, but was fired in 1874, having struck a flood of water in Shaft No. 2.The main tunnel was completed in 1878. By that time, however, the Comstock mine had gone deeper, using newer improved pumps, and was also thinning out. Lateral tunnels were also created to enhance drainage and ventilation. Upon completion, Adolph Sutro immediately sold his interest in the tunnel company and moved to San Francisco, later becoming mayor of that city.The Sutro Tunnel pioneered the excavation of large drainage and access tunnels in the United States. Later US mine drainage tunnels included the Argo Tunnel at Idaho Springs, Colorado, the Leadville and Yak tunnels at Leadville, Colorado, and the Roosevelt tunnel in the Cripple Creek district, Colorado.".
• Sutro_Tunnel thumbnail Sutro_Tunnel.jpg?width=300.
• Sutro_Tunnel wikiPageExternalLink advantagesnecess00sutrrich.
• Sutro_Tunnel wikiPageExternalLink maps?q=39.28011,-119.584267&t=k&sll=39.251667,-119.561944&sspn=0.3,0.3&ie=UTF8&ll=39.280113,-119.584275&spn=0.000755,0.0012&z=20.
• Sutro_Tunnel wikiPageExternalLink NV-01-NW067.
• Sutro_Tunnel wikiPageID "9157078".
• Sutro_Tunnel wikiPageRevisionID "587533713".
• Sutro_Tunnel after Tule_Springs_Archaeological_Site.
• Sutro_Tunnel before Jedediah_Smith.
• Sutro_Tunnel caption "1800.0".
• Sutro_Tunnel designation "Nevada Historical Marker".
• Sutro_Tunnel designation1Number "85".
• Sutro_Tunnel hasPhotoCollection Sutro_Tunnel.
• Sutro_Tunnel imageSize "200".
• Sutro_Tunnel name "Sutro Tunnel".
• Sutro_Tunnel title Nevada_Historical_Markers.
• Sutro_Tunnel years "85".
• Sutro_Tunnel subject Category:Buildings_and_structures_in_Lyon_County,_Nevada.
• Sutro_Tunnel subject Category:History_of_Nevada.
• Sutro_Tunnel subject Category:History_of_Storey_County,_Nevada.
• Sutro_Tunnel subject Category:Mining_in_Nevada.
• Sutro_Tunnel subject Category:Silver_mining_in_the_United_States.
• Sutro_Tunnel subject Category:Tunnels_completed_in_1878.
• Sutro_Tunnel subject Category:Tunnels_in_Nevada.
• Sutro_Tunnel point "39.28010833333333 -119.58433333333333".
• Sutro_Tunnel type Artifact100021939.
• Sutro_Tunnel type Object100002684.
• Sutro_Tunnel type Passage103895293.
• Sutro_Tunnel type Passageway103895585.
• Sutro_Tunnel type PhysicalEntity100001930.
• Sutro_Tunnel type Tunnel104497962.
• Sutro_Tunnel type TunnelsCompletedIn1878.
• Sutro_Tunnel type TunnelsInNevada.
• Sutro_Tunnel type Way104564698.
• Sutro_Tunnel type Whole100003553.
• Sutro_Tunnel type YagoGeoEntity.
• Sutro_Tunnel type YagoPermanentlyLocatedEntity.
• Sutro_Tunnel type HistoricPlace.
• Sutro_Tunnel type Place.
• Sutro_Tunnel type Wikidata:Q532.
• Sutro_Tunnel type LandmarksOrHistoricalBuildings.
• Sutro_Tunnel type Place.
• Sutro_Tunnel type Location.
• Sutro_Tunnel type SpatialThing.
• Sutro_Tunnel comment "The Sutro Tunnel is a drainage tunnel ( adit ) connected to the Comstock Lode in Northern Nevada. It begins at Virginia City, Nevada and empties approximately 6 miles southeast near the town of Dayton, Nevada. The tunnel was first envisioned by Adolph Sutro in 1860. He promoted the drainage tunnel in order to allow access to deeper mineral exploration in the Comstock.".
• Sutro_Tunnel label "Sutro Tunnel".
• Sutro_Tunnel label "Tunnel de Sutro".
• Sutro_Tunnel label "Túnel Sutro".
• Sutro_Tunnel label "Túnel Sutro".
• Sutro_Tunnel sameAs Túnel_Sutro.
• Sutro_Tunnel sameAs Tunnel_de_Sutro.
• Sutro_Tunnel sameAs Túnel_Sutro.
• Sutro_Tunnel sameAs m.027znw3.
• Sutro_Tunnel sameAs 5513390.
• Sutro_Tunnel sameAs Q3542157.
• Sutro_Tunnel sameAs Q3542157.
• Sutro_Tunnel sameAs Sutro_Tunnel.
• Sutro_Tunnel lat "39.28010833333333".
• Sutro_Tunnel long "-119.58433333333333".
• Sutro_Tunnel wasDerivedFrom Sutro_Tunnel?oldid=587533713.
• Sutro_Tunnel depiction Sutro_Tunnel.jpg.
• Sutro_Tunnel isPrimaryTopicOf Sutro_Tunnel.
• Sutro_Tunnel name "Sutro Tunnel".