# Relationship history for MSHA mine 4405316

Current hierarchy: **Turner Darlene Harrison → D & D Coal Company Inc → No 1 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:** Bolling Cecil W → No 1 Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Meade Jeffery W Et Al → No 1 Mine; 1979-04-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** High Top Mining → No 1 Mine; 1979-10-01 to 1980-04-24; source msha-controller-operator-history
- **controller_controls_operator:** Meade Jeffery W Et Al → High Top Mining; 1979-10-01 to 1980-04-24; source msha-controller-operator-history
- **operator_operates_mine:** B & B Coal Corp → No 1 Mine; 1980-04-25 to 1981-03-08; source msha-controller-operator-history
- **controller_controls_operator:** Bolling Cecil W → B & B Coal Corp; 1980-04-25 to 1981-03-08; source msha-controller-operator-history
- **operator_operates_mine:** Sunset Enterprises Inc → No 1 Mine; 1981-03-09 to 1983-06-22; source msha-controller-operator-history
- **controller_controls_mine:** Large Curtis Et Al → No 1 Mine; 1981-03-09 to 1983-06-22; source msha-controller-operator-history
- **controller_controls_operator:** Large Curtis Et Al → Sunset Enterprises Inc; 1981-03-09 to 1983-06-22; source msha-controller-operator-history
- **operator_operates_mine:** Large Construction Company → No 1 Mine; 1983-06-23 to 1984-03-18; source msha-controller-operator-history
- **controller_controls_mine:** Large Curtis → No 1 Mine; 1983-06-23 to 1985-09-11; source msha-controller-operator-history
- **controller_controls_operator:** Large Curtis → Large Construction Company; 1983-06-23 to 1984-03-18; source msha-controller-operator-history
- **operator_operates_mine:** Challenger Mining Corp → No 1 Mine; 1984-03-19 to 1987-10-25; source msha-controller-operator-history
- **controller_controls_mine:** Riley John → No 1 Mine; 1984-03-19 to 1987-10-25; source msha-controller-operator-history
- **controller_controls_operator:** Riley John → Challenger Mining Corp; 1984-03-19 to 1987-10-25; source msha-controller-operator-history
- **operator_operates_mine:** D & D Coal Company Inc → No 1 Mine; 1987-10-26 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Turner Darlene Harrison → No 1 Mine; 1987-10-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Turner Darlene Harrison → D & D Coal Company Inc; 1987-10-26 to current/open; source msha-controller-operator-history