| 1875/09/24 |
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Samuel Hawkes and James Ryan leave their galena mine in the San Francisco Mountain Mining District and rest under a boulder outcrop. Casually chipping it with a pickax, they accidentally discover a high-grade lead sulfate mineral called anglesite. |
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| 1875/09/27 |
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Samuel Hawkes and James Ryan sink a 30-foot drilling with a hand windlass and stake their claim. |
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| 1876/02/00 |
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Fearing failure, Samuel Hawkes and James sell their mining claim for $25,000. |
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| 1877/00/00 |
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A vein of 280 feet in length is proved, and about 25,000 tons of ore is extracted and turned into bullion. The adjacent mining town of Frisco busts with nearly a 1,000 people but it is more than 170 miles from the railhead in York in Juab County. |
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| 1877/00/00 |
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Five granite beehive-shaped charcoal smelting kilns are built by the Frisco Mining and Smelting Company under the supervision of Benjamin Y Hampton, primarily for the Horn Silver Mine, between 1877 and 1880 at $500-$1000 apiece. |
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| 1877/11/00 |
Jay Cooke |
Financier |
In Utah, Jay Cooke convinces the Horne mine owners to take a quarter interest in the construction of a railroad from York to Frisco and secures another quarter of the capital from the LDS Church in Salt Lake City. |
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| 1878/00/00 |
Jay Gould |
Financier |
In New York, Jay Cooke sells the remaining half interest in a railroad from York to Frisco, Utah from Union Pacific Railroad Co President Sidney Dillon and Wall Street financier Jay Gould. |
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| 1879/00/00 |
Union Pacific Railroad |
Operator |
Presumably, Utah workers furnish the ties and build a railroad from York to Frisco. Union Pacific officials and Gould supply the rail and rolling stock. |
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| 1879/06/23 |
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Utah Southern Railroad Extension to Frisco lays the last leg of rail. The Horn Mine company's monthly profit is $40,000. |
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| 1879/12/00 |
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The United States Annual Mining Review and Stock Ledger describes the Horn as "unquestionably the richest silver mine in the world now being worked." |
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| 1880/00/00 |
Jay Cooke |
Financier |
Jay Cooke sells his 200,001 shares in the Horn Silver Mine for an estimated $4 million. |
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| 1882/00/00 |
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Approximately 50 tons of ore are shipped by rail daily to Franklyn Smelter near Murray. |
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| 1885/00/00 |
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With ore averaging 70 to 200 ounces of silver per ton "entirely free of lead", the Horn mine creates more than $13 million and pays $4 million in dividends to shareholders. |
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| 1885/02/12 |
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After the Horn Silver Mine night shift come to the surface, the day crew is told to wait due to earth tremors. Within minutes a massive cave-in closes the main shaft and collapses tunnels down to the 7th level, shutting off the richest part of the mine. |
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| 1905/00/00 |
Horn Silver Mine Company |
Architect |
The Horne Silver mine, manages by Philo T Farnsworth, produces 6,035,553 lbs zinc, 3,464,007 lbs lead, 6,539 lbs copper, 104,231 oz silver and 335 oz gold. |
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| 1905/00/00 |
Philo Taylor Farnsworth Jr |
Work |
The Horne Silver mine, manages by Philo T Farnsworth, produces 6,035,553 lbs zinc, 3,464,007 lbs lead, 6,539 lbs copper, 104,231 oz silver and 335 oz gold. |
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