# Relationship history for MSHA mine 4002211

Current hierarchy: **Hamilton Hollie → Black Gold Energy 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

- **operator_operates_mine:** Shoupe Mining Company Inc → No 1 Mine; 1977-03-01 to 1979-05-13; source msha-controller-operator-history
- **controller_controls_mine:** Shoupe Elmer → No 1 Mine; 1977-03-01 to 1979-05-13; source msha-controller-operator-history
- **controller_controls_operator:** Shoupe Elmer → Shoupe Mining Company Inc; 1977-03-01 to 1979-05-13; source msha-controller-operator-history
- **operator_operates_mine:** Shoupe Mining Company Inc → No 1 Mine; 1979-05-14 to 1979-08-14; source msha-controller-operator-history
- **controller_controls_mine:** Taylor Charles T → No 1 Mine; 1979-05-14 to 1979-08-14; source msha-controller-operator-history
- **controller_controls_operator:** Taylor Charles T → Shoupe Mining Company Inc; 1979-05-14 to 1979-08-14; source msha-controller-operator-history
- **operator_operates_mine:** Minerals Management Inc → No 1 Mine; 1979-08-15 to 1980-06-25; source msha-controller-operator-history
- **controller_controls_mine:** Connors Terry → No 1 Mine; 1979-08-15 to 1980-06-25; source msha-controller-operator-history
- **controller_controls_operator:** Connors Terry → Minerals Management Inc; 1979-08-15 to 1980-06-25; source msha-controller-operator-history
- **operator_operates_mine:** Hickory Mining Company Inc → No 1 Mine; 1980-06-26 to 1981-01-18; source msha-controller-operator-history
- **controller_controls_mine:** Roark Frank & Boone Reese → No 1 Mine; 1980-06-26 to 1981-01-18; source msha-controller-operator-history
- **controller_controls_operator:** Roark Frank & Boone Reese → Hickory Mining Company Inc; 1980-06-26 to 1981-01-18; source msha-controller-operator-history
- **operator_operates_mine:** Hickory Mining Company Inc → No 1 Mine; 1981-01-19 to 1981-06-14; source msha-controller-operator-history
- **controller_controls_mine:** Perrine Arnold & Jerry Warwick → No 1 Mine; 1981-01-19 to 1981-06-14; source msha-controller-operator-history
- **controller_controls_operator:** Perrine Arnold & Jerry Warwick → Hickory Mining Company Inc; 1981-01-19 to 1981-06-14; source msha-controller-operator-history
- **controller_controls_mine:** Hamilton Hollie → No 1 Mine; 1981-05-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Silver Dollar Mining Company → No 1 Mine; 1981-06-15 to 1982-03-07; source msha-controller-operator-history
- **controller_controls_mine:** Marlow Leonard B → No 1 Mine; 1981-06-15 to 1982-03-07; source msha-controller-operator-history
- **controller_controls_operator:** Marlow Leonard B → Silver Dollar Mining Company; 1981-06-15 to 1982-03-07; source msha-controller-operator-history
- **operator_operates_mine:** Black Gold Energy Inc → No 1 Mine; 1982-03-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hamilton Hollie → Black Gold Energy Inc; 1982-03-08 to current/open; source msha-controller-operator-history