# Relationship history for MSHA mine 0102759

Current hierarchy: **Bland John & B J Kitchens → Bkw Enterprises Inc → Bkw-River King 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

- **controller_controls_mine:** Brown Barry L → Bkw-River King Mine; 1985-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** River King Energy Company Inc → Bkw-River King Mine; 1988-02-01 to 1989-01-31; source msha-controller-operator-history
- **controller_controls_mine:** Lollar Perry D → Bkw-River King Mine; 1988-02-01 to 1989-01-31; source msha-controller-operator-history
- **controller_controls_operator:** Lollar Perry D → River King Energy Company Inc; 1988-02-01 to 1989-01-31; source msha-controller-operator-history
- **controller_controls_mine:** Bland John & B J Kitchens → Bkw-River King Mine; 1988-06-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Lost Creek Coal Company Inc → Bkw-River King Mine; 1989-02-01 to 1989-07-18; source msha-controller-operator-history
- **controller_controls_operator:** Brown Barry L → Lost Creek Coal Company Inc; 1989-02-01 to 1989-07-18; source msha-controller-operator-history
- **operator_operates_mine:** Bkw Enterprises Inc → Bkw-River King Mine; 1989-07-19 to 1990-03-09; source msha-controller-operator-history
- **controller_controls_operator:** Bland John & B J Kitchens → Bkw Enterprises Inc; 1989-07-19 to 1990-03-09; source msha-controller-operator-history
- **operator_operates_mine:** River King Company Of Alabama Inc → Bkw-River King Mine; 1990-03-10 to 1990-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Raines Charles H → Bkw-River King Mine; 1990-03-10 to 1990-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Raines Charles H → River King Company Of Alabama Inc; 1990-03-10 to 1990-06-30; source msha-controller-operator-history
- **operator_operates_mine:** Bkw Enterprises Inc → Bkw-River King Mine; 1990-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bland John & B J Kitchens → Bkw Enterprises Inc; 1990-07-01 to current/open; source msha-controller-operator-history