# Relationship history for MSHA mine 3401787

Current hierarchy: **CraKol Energy LLC → South Central Coal Company, Inc. → South Central 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:** H M I → South Central Mine; 1995-03-01 to 1996-07-31; source msha-controller-operator-history
- **controller_controls_mine:** Kenneth  Richardson et al → South Central Mine; 1995-03-01 to 1996-07-31; source msha-controller-operator-history
- **controller_controls_operator:** Kenneth  Richardson et al → H M I; 1995-03-01 to 1996-07-31; source msha-controller-operator-history
- **operator_operates_mine:** Georges Colliers Inc → South Central Mine; 1996-08-01 to 2000-07-09; source msha-controller-operator-history
- **controller_controls_mine:** Craig K  Jackson → South Central Mine; 1996-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Craig K  Jackson → Georges Colliers Inc; 1996-08-01 to 2000-07-09; source msha-controller-operator-history
- **operator_operates_mine:** Sunrise Coal Company LLC → South Central Mine; 2000-07-10 to 2003-08-29; source msha-controller-operator-history
- **controller_controls_mine:** Jimmie R  Ryan et al → South Central Mine; 2000-07-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jimmie R  Ryan et al → Sunrise Coal Company LLC; 2000-07-10 to 2003-08-29; source msha-controller-operator-history
- **operator_operates_mine:** South Central Coal Company, Inc. → South Central Mine; 2003-08-30 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** CraKol Energy LLC → South Central Mine; 2003-08-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** CraKol Energy LLC → South Central Coal Company, Inc.; 2003-08-30 to current/open; source msha-controller-operator-history