# Relationship history for MSHA mine 4002261

Current hierarchy: **Kirkland Dorothy → B & D Leasing → No 1**

- 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:** Roses Creek Mining → No 1; 1977-06-01 to 1977-10-16; source msha-controller-operator-history
- **controller_controls_mine:** Blankenship Albert E → No 1; 1977-06-01 to 1977-10-16; source msha-controller-operator-history
- **controller_controls_operator:** Blankenship Albert E → Roses Creek Mining; 1977-06-01 to 1977-10-16; source msha-controller-operator-history
- **operator_operates_mine:** Roses Creek Mining Company → No 1; 1977-10-17 to 1978-01-31; source msha-controller-operator-history
- **controller_controls_mine:** Morris Jim → No 1; 1977-10-17 to 1978-01-31; source msha-controller-operator-history
- **controller_controls_operator:** Morris Jim → Roses Creek Mining Company; 1977-10-17 to 1978-01-31; source msha-controller-operator-history
- **operator_operates_mine:** Roses Creek Mining Company → No 1; 1978-02-01 to 1980-06-15; source msha-controller-operator-history
- **controller_controls_mine:** Rowlette L D → No 1; 1978-02-01 to 1980-06-15; source msha-controller-operator-history
- **controller_controls_operator:** Rowlette L D → Roses Creek Mining Company; 1978-02-01 to 1980-06-15; source msha-controller-operator-history
- **operator_operates_mine:** Daryl Coal Inc → No 1; 1980-06-16 to 1981-02-15; source msha-controller-operator-history
- **controller_controls_mine:** Roberts Noah R → No 1; 1980-06-16 to 1981-02-15; source msha-controller-operator-history
- **controller_controls_operator:** Roberts Noah R → Daryl Coal Inc; 1980-06-16 to 1981-02-15; source msha-controller-operator-history
- **operator_operates_mine:** B & D Leasing Inc → No 1; 1981-02-16 to 1981-09-16; source msha-controller-operator-history
- **controller_controls_mine:** Muncy Billy → No 1; 1981-02-16 to 1981-10-14; source msha-controller-operator-history
- **controller_controls_operator:** Muncy Billy → B & D Leasing Inc; 1981-02-16 to 1981-09-16; source msha-controller-operator-history
- **operator_operates_mine:** B & D Leasing → No 1; 1981-09-17 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kirkland Dorothy → No 1; 1981-09-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kirkland Dorothy → B & D Leasing; 1981-09-17 to current/open; source msha-controller-operator-history