# Relationship history for MSHA mine 4002107

Current hierarchy: **Hamilton Hollie → Black Gold Energy Inc → No1 Tipple**

- 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:** Big Nickel Tipple Company → No1 Tipple; 1976-08-01 to 1977-03-14; source msha-controller-operator-history
- **controller_controls_mine:** Shattuck Jerry → No1 Tipple; 1976-08-01 to 1977-03-14; source msha-controller-operator-history
- **controller_controls_operator:** Shattuck Jerry → Big Nickel Tipple Company; 1976-08-01 to 1977-03-14; source msha-controller-operator-history
- **operator_operates_mine:** Big Nickel Tipple Corp → No1 Tipple; 1977-03-15 to 1979-02-01; source msha-controller-operator-history
- **controller_controls_mine:** Rowlette L D → No1 Tipple; 1977-03-15 to 1979-02-01; source msha-controller-operator-history
- **controller_controls_operator:** Rowlette L D → Big Nickel Tipple Corp; 1977-03-15 to 1979-02-01; source msha-controller-operator-history
- **controller_controls_mine:** Premco Petroleum Inc → No1 Tipple; 1979-01-15 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Premco Coal Inc → No1 Tipple; 1979-02-02 to 1981-01-07; source msha-controller-operator-history
- **controller_controls_operator:** Premco Petroleum Inc → Premco Coal Inc; 1979-02-02 to 1981-01-07; source msha-controller-operator-history
- **controller_controls_mine:** Coleman James → No1 Tipple; 1980-12-10 to 1984-04-04; source msha-controller-operator-history
- **operator_operates_mine:** Shannon Coal Company Inc → No1 Tipple; 1981-01-08 to 1981-03-08; source msha-controller-operator-history
- **controller_controls_operator:** Coleman James → Shannon Coal Company Inc; 1981-01-08 to 1981-03-08; source msha-controller-operator-history
- **controller_controls_mine:** Muncy Billy → No1 Tipple; 1981-02-16 to 1981-10-14; source msha-controller-operator-history
- **operator_operates_mine:** B & D Leasing Inc → No1 Tipple; 1981-03-09 to 1981-10-14; source msha-controller-operator-history
- **controller_controls_operator:** Muncy Billy → B & D Leasing Inc; 1981-03-09 to 1981-10-14; source msha-controller-operator-history
- **controller_controls_mine:** Hamilton Hollie → No1 Tipple; 1981-05-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Big Nickle Processing Company → No1 Tipple; 1981-10-15 to 1982-04-21; source msha-controller-operator-history
- **controller_controls_mine:** Moses Don R → No1 Tipple; 1981-10-15 to 1982-04-21; source msha-controller-operator-history
- **controller_controls_operator:** Moses Don R → Big Nickle Processing Company; 1981-10-15 to 1982-04-21; source msha-controller-operator-history
- **controller_controls_mine:** Utter Ron J & Biff → No1 Tipple; 1982-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Dynasty Coal Company Inc → No1 Tipple; 1982-04-22 to 1982-06-21; source msha-controller-operator-history
- **controller_controls_operator:** Utter Ron J & Biff → Dynasty Coal Company Inc; 1982-04-22 to 1982-06-21; source msha-controller-operator-history
- **operator_operates_mine:** Black Gold Energy Inc → No1 Tipple; 1982-06-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hamilton Hollie → Black Gold Energy Inc; 1982-06-22 to current/open; source msha-controller-operator-history