# Relationship history for MSHA mine 4608516

Current hierarchy: **K Dale  Tolliver → Camp Creek Service Center Ltd → Still Run #2 Mine**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Chief Mining Inc → Still Run #2 Mine; 1995-08-01 to 1996-06-16; source msha-controller-operator-history
- **controller_controls_mine:** Calloway Kevin B → Still Run #2 Mine; 1995-08-01 to 2003-11-11; source msha-controller-operator-history
- **controller_controls_operator:** Calloway Kevin B → Chief Mining Inc; 1995-08-01 to 1996-06-16; source msha-controller-operator-history
- **controller_controls_mine:** Bishop Oley K → Still Run #2 Mine; 1996-02-03 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Little Otter Mining Inc → Still Run #2 Mine; 1996-06-17 to 1997-08-21; source msha-controller-operator-history
- **controller_controls_operator:** Bishop Oley K → Little Otter Mining Inc; 1996-06-17 to 1997-08-21; source msha-controller-operator-history
- **operator_operates_mine:** Camp Creek Service Center Ltd → Still Run #2 Mine; 1997-08-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** K Dale  Tolliver et al → Still Run #2 Mine; 1997-08-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** K Dale  Tolliver et al → Camp Creek Service Center Ltd; 1997-08-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kenneth R  Calloway → Still Run #2 Mine; 2003-11-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kenneth R  Calloway → Chief Mining Inc; 2003-11-12 to 1996-06-16; source msha-controller-operator-history