Colorado North and Central Americas United States ncat JP1706, Dolomite, Quartz, Sunnyside Mine group (American Tunnel Mine; American Tunnel; Gold King Mine; Washington Mine; Belle Creole; Gold Prince; Brenneman Mine; Mogul Mine), Bonita Peak, Gladstone, Eureka District, San Juan Co., Colorado, USA September 23, 2019
Colorado North and Central Americas United States ncat OW307 Rhodochrosite, Quartz, Tetrahedrite, Pyrite, Corner Pocket, Watercourse Rise, Watercourse Extension Drift, Sweet Home Mine, Alma District, Park Co., Colorado, USA May 26, 2023
