|Address:||Ontario Silver Mine|
|As far as we know this information was accurate when it was published (see years in brackets), but may have changed since then.
Please check rates and details directly with the companies in question if you need more recent info.
|1868||silver discovered in the mountains of Park City.|
|1870||first lead-silver mines established.|
|1872||mining entrepreneur George Hearst paid $27,000 for the Ontario Mine and became rich.|
|1929||mining prices started to decline during the Great Depression.|
|1981||Ontario mine closed.|
Ontario Silver Mine was the last mine which was closed at Park City.