| Locality | Mineral(s) |
|---|
| Country Boy Mine, Breckenridge Mining District, Summit County, Colorado, USA | β Galena, β Pyrite, β Siderite, β Sphalerite |
| Gold Dust, Dunkin; Juniata; Puzzle; Ouray; Gold Dust; Washington, Breckenridge Mining District, Summit County, Colorado, USA | β Galena, β Pyrite, β Sphalerite |
| Finding Shaft (Deep Shaft), Breckenridge Mining District, Summit County, Colorado, USA | β Pyrite, β Sphalerite |
| Farncomb Hill, French Gulch, Breckenridge Mining District, Summit County, Colorado, USA | β Malachite |
| American Gulch placers, Farncomb Hill, French Gulch, Breckenridge Mining District, Summit County, Colorado, USA | β Native Gold |
| Ontario-Key West-Boss-Gold Flake-Fair Fountain-Bondholder Mine group, Farncomb Hill, French Gulch, Breckenridge Mining District, Summit County, Colorado, USA | β Calcite, β Native Gold |
| Wire Patch Mine, Farncomb Hill, French Gulch, Breckenridge Mining District, Summit County, Colorado, USA | β Galena, β Pyrite, β Rhodochrosite, β Sphalerite |
| Elephant Tunnel, Wire Patch Mine, Farncomb Hill, French Gulch, Breckenridge Mining District, Summit County, Colorado, USA | β Galena, β Pyrite, β Sphalerite |
| Galena Gulch placers, Breckenridge Mining District, Summit County, Colorado, USA | β Native Gold |
| Germania, Breckenridge Mining District, Summit County, Colorado, USA | β Acanthite, β Chlorargyrite, β Limonite, β Native Silver, β Quartz |
| Gibson Gulch Placers, Breckenridge Mining District, Summit County, Colorado, USA | β Native Gold |
| Hamilton, Breckenridge Mining District, Summit County, Colorado, USA | β Calcite, β Galena, β Muscovite, β Pyrite, β Quartz, β Sericite, β Sphalerite |
| Hellen Mine, Breckenridge Mining District, Summit County, Colorado, USA | β Native Gold, β Sphalerite |
| I.X.L. (Royal Tiger; Cashier), Breckenridge Mining District, Summit County, Colorado, USA | β Bismuthinite, β Chalcopyrite, β Galena, β Marcasite, β Native Gold, β Pyrite, β Quartz, β Sphalerite |
| Iron Mask Occurrence, Breckenridge Mining District, Summit County, Colorado, USA | β Anglesite, β Cerussite, β Native Sulphur |
| Jessie Mine (B and B Mines Inc), Breckenridge Mining District, Summit County, Colorado, USA | β Galena, β Muscovite, β Pyrite, β Sericite, β Sphalerite |
| Jumbo Occurrence, Breckenridge Mining District, Summit County, Colorado, USA | β Native Gold, β Pyrite |
| Juventa Occurrence (Juventa Mine Shaft; McLeod Tunnel), Breckenridge Mining District, Summit County, Colorado, USA | β Native Gold, β Native Silver |
| Little Sally Barber, Breckenridge Mining District, Summit County, Colorado, USA | β Calcite, β Galena |
| Cincinatti mine, Mineral Hill, Breckenridge Mining District, Summit County, Colorado, USA | β Cerussite, β Galena |
| Ella mine, Mineral Hill, Breckenridge Mining District, Summit County, Colorado, USA | β Cerussite, β Galena |
| Lucky mine, Mineral Hill, Breckenridge Mining District, Summit County, Colorado, USA | β Cerussite, β Galena |
| Minnie mine, Mineral Hill, Breckenridge Mining District, Summit County, Colorado, USA | β Cerussite, β Galena |
| Mountain Pride; Laurium (Larium; Blue Flag), Breckenridge Mining District, Summit County, Colorado, USA | β Ankerite, β Galena, β Pyrite, β Quartz, β Sphalerite |
| Sallie Barber Mine, Breckenridge Mining District, Summit County, Colorado, USA | β Cerussite, β Galena, β Pyrite, β Siderite, β Smithsonite, β Sphalerite |
| Wellington Mine (Siam Tunnel; Old Oro Tunnel; Mill Tunnel; Liberty Tunnel; Extenuate Tunnel; Wellington Tunnel; Abundance Tunnel; New Tunnel; Oro Shaft), Breckenridge Mining District, Summit County, Colorado, USA | β Baryte, β Cerussite, β Galena, β Limonite, β Native Silver, β Pyrite, β Siderite, β Smithsonite, β Sphalerite |
| Arctic; Golden Beaver, Monte Cristo area, Summit County, Colorado, USA | β Bismuthinite, β Chalcopyrite, β Native Gold, β Pyrite, β Quartz |
| Ling Mine (North Star), Monte Cristo Area, Summit County, Colorado, USA | β Native Gold |
| Senator; Vanderbilt; Blue River, Monte Cristo Area, Summit County, Colorado, USA | β Chalcopyrite, β Galena, β Hematite, β Magnetite, β Native Gold, β Pyrite, β Quartz, β Sphalerite |
These are possibly similar items as determined by title/reference text matching only.
