# Relationship history for MSHA mine 1511404

Current hierarchy: **Charles  Turner → Pounding Mill Coal Company Inc → #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:** Red Bud Colleries Inc → #1 Mine; 1978-07-01 to 1981-10-09; source msha-controller-operator-history
- **controller_controls_mine:** Howard Grant F → #1 Mine; 1978-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Howard Grant F → Red Bud Colleries Inc; 1978-07-01 to 1981-10-09; source msha-controller-operator-history
- **operator_operates_mine:** Mountain Springs Contractors Inc → #1 Mine; 1981-10-10 to 1982-01-07; source msha-controller-operator-history
- **controller_controls_mine:** Simpson Daniel → #1 Mine; 1981-10-10 to 1982-01-07; source msha-controller-operator-history
- **controller_controls_operator:** Simpson Daniel → Mountain Springs Contractors Inc; 1981-10-10 to 1982-01-07; source msha-controller-operator-history
- **controller_controls_mine:** Charles  Turner → #1 Mine; 1981-11-20 to 1990-01-01; source msha-controller-operator-history
- **operator_operates_mine:** Magazine Coal Company Inc → #1 Mine; 1982-01-08 to 1982-11-28; source msha-controller-operator-history
- **controller_controls_mine:** Hubbard Tip → #1 Mine; 1982-01-08 to 1982-11-28; source msha-controller-operator-history
- **controller_controls_operator:** Hubbard Tip → Magazine Coal Company Inc; 1982-01-08 to 1982-11-28; source msha-controller-operator-history
- **operator_operates_mine:** Paradox Coal Company Inc → #1 Mine; 1982-11-29 to 1983-03-21; source msha-controller-operator-history
- **controller_controls_operator:** Charles  Turner → Paradox Coal Company Inc; 1982-11-29 to 1983-03-21; source msha-controller-operator-history
- **operator_operates_mine:** W K H H Coal Contractor → #1 Mine; 1983-03-22 to 1983-09-07; source msha-controller-operator-history
- **controller_controls_mine:** Wynn Sam Jr-Dewitt Kinney Et Al → #1 Mine; 1983-03-22 to 1983-09-07; source msha-controller-operator-history
- **controller_controls_operator:** Wynn Sam Jr-Dewitt Kinney Et Al → W K H H Coal Contractor; 1983-03-22 to 1983-09-07; source msha-controller-operator-history
- **operator_operates_mine:** Pounding Mill Coal Company Inc → #1 Mine; 1983-09-08 to 1985-08-21; source msha-controller-operator-history
- **controller_controls_mine:** Charles  Turner → #1 Mine; 1983-09-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles  Turner → Pounding Mill Coal Company Inc; 1983-09-08 to 1985-08-21; source msha-controller-operator-history
- **controller_controls_mine:** Vandagriff Glen Doil → #1 Mine; 1984-05-07 to 1987-05-09; source msha-controller-operator-history
- **operator_operates_mine:** Ferrett Coal Company Inc → #1 Mine; 1985-08-22 to 1986-01-26; source msha-controller-operator-history
- **controller_controls_mine:** Middleton Darrell Et Al → #1 Mine; 1985-08-22 to 1986-01-26; source msha-controller-operator-history
- **controller_controls_operator:** Middleton Darrell Et Al → Ferrett Coal Company Inc; 1985-08-22 to 1986-01-26; source msha-controller-operator-history
- **operator_operates_mine:** K & G Coal Company Inc → #1 Mine; 1986-01-27 to 1986-03-09; source msha-controller-operator-history
- **controller_controls_operator:** Vandagriff Glen Doil → K & G Coal Company Inc; 1986-01-27 to 1986-03-09; source msha-controller-operator-history
- **operator_operates_mine:** Napier Coal Inc → #1 Mine; 1986-03-10 to 1987-02-23; source msha-controller-operator-history
- **controller_controls_mine:** Napier Burley Jr Et Al → #1 Mine; 1986-03-10 to 1987-02-23; source msha-controller-operator-history
- **controller_controls_operator:** Napier Burley Jr Et Al → Napier Coal Inc; 1986-03-10 to 1987-02-23; source msha-controller-operator-history
- **operator_operates_mine:** Little J & C Mining Company → #1 Mine; 1987-02-24 to 1987-12-21; source msha-controller-operator-history
- **controller_controls_mine:** Jackson Jackie → #1 Mine; 1987-02-24 to 1987-12-21; source msha-controller-operator-history
- **controller_controls_operator:** Jackson Jackie → Little J & C Mining Company; 1987-02-24 to 1987-12-21; source msha-controller-operator-history
- **operator_operates_mine:** Pounding Mill Coal Company Inc → #1 Mine; 1987-12-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles  Turner → Pounding Mill Coal Company Inc; 1987-12-22 to current/open; source msha-controller-operator-history