Mine · Boulder County, Colorado, United States
Cross Mine
Cross Mine is an idle mine in Boulder County, Colorado, United States, owned by Calais Resources Inc.
Facts
Every value links to its source, and to the source's own record where it has one. Licences and last-checked dates are per row.
| Fact | Value | Source |
|---|---|---|
| Location | Boulder County | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Status | Idle (nonproducing) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Commodities | gold (mainly gold) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Owner | Calais Resources Inc (controls the operator) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Operator | Grand Island Resources, LLC | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Employees | 6 people (annual average, in 2025) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Mine type | Underground | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Coordinates | 39.9775, -105.5719 | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
Research on this mine and its owner.Who owns it up to the parent company, its permits, resources and offtake, and an introduction to the owner.
Request researchHow its owner compares
Calais Resources Inc owns 2 of the 2,675 mines in the United States in our data with a named owner; 200 owners have more. Counts cover the mines in our data that name an owner, holder or operator; an asset with several owners counts for each.
| Owner in United States | Rank | Mines | Share |
|---|---|---|---|
| Alpha Metallurgical Resources Inc | 1st | 56 | 2.1% |
| Sev.en Global Investments a.s. | 2nd | 50 | 1.9% |
| Rosebud Mining Company | 3rd | 40 | 1.5% |
| Martin Marietta Materials Inc | 4th | 29 | 1.1% |
| Metinvest B V | 4th | 29 | 1.1% |
| Calais Resources Inc | 201st | 2 | <0.1% |
Nearby
Within 50 km of this mine: 34 water rights and 2 data centers, measured from the coordinates in the facts above. The table shows the nearest 5, up to 3 per kind.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| Nederland Res water right 0604233 20805.00000 | Water right | — | — | 4.9 km |
| Barker Meadow Res water right 0604172 20805.00000 | Water right | — | — | 7.0 km |
| Left Hand Ditch water right 0500603 7457.00000 | Water right | — | — | 14 km |
| DataBank - DEN4 | Data center | — | — | 43 km |
| JPMorgan Chase | Data center | — | — | 47 km |
Owner, operator and place
More from Calais Resources Inc
Other mines in Colorado
Data on this page
- Colorado DWR REST API. Colorado DWR REST API, CDSS Terms of Use.
- MSHA Mines Data Set. MSHA Mines Data Set, Public domain.
- © OpenStreetMap contributors. OpenStreetMap data centers, ODbL 1.0.