Surface Metal Mine specialising in Fluorspar, operated by Roberts Mining Co
| Id | 2400144 |
| Current Mine Name | Crystal Mountain And Darby Mill |
| Coal Metal Ind | M |
| Current Mine Type | Surface |
| Current Mine Status | Abandoned |
| Current Status Dt | 07/17/1980 |
| Current Controller Id | M37896 |
| Current Controller Name | Roberts Mining Co |
| Current Operator Id | L37896 |
| Current Operator Name | Roberts Mining Co |
| State | MT |
| Bom State Cd | 24 |
| Fips Cnty Cd | 081 |
| Fips Cnty Nm | Ravalli |
| Cong Dist Cd | 01 |
| Company Type | Other |
| Current Controller Begin Dt | 01/01/1950 |
| District | M6 |
| Office Cd | M6821 |
| Office Name | Helena MT Field Office |
| Assess Ctrl No | |
| Primary Sic Cd | 147904 |
| Primary Sic | Fluorspar |
| Primary Sic Cd 1 | 1479 |
| Primary Sic Cd Sfx | 04 |
| Secondary Sic Cd | |
| Secondary Sic | |
| Secondary Sic Cd 1 | |
| Secondary Sic Cd Sfx | |
| Primary Canvass Cd | 7 |
| Primary Canvass | Nonmetal |
| Secondary Canvass Cd | |
| Secondary Canvass | |
| Current 103i | |
| Current 103i Dt | |
| Portable Operation | N |
| Portable Fips St Cd | |
| Days Per Week | 0 |
| Hours Per Shift | |
| Prod Shifts Per Day | |
| Maint Shifts Per Day | |
| No Employees | |
| Part48 Training | N |
| Longitude | |
| Latitude | |
| Avg Mine Height | |
| Mine Gas Category Cd | |
| Methane Liberation | |
| No Producing Pits | |
| No Nonproducing Pits | |
| No Tailing Ponds | |
| Pillar Recovery Used | N |
| Highwall Miner Used | N |
| Multiple Pits | N |
| Miners Rep Ind | N |
| Safety Committee Ind | N |
| Miles From Office | 0 |
| Directions To Mine | |
| Nearest Town |
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