# Relationship history for MSHA mine 1513657

Current hierarchy: **Derek  Potter; David W  Potter → Potter Mining Company Inc → No C-16 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:** Hamilton Thelma G & Kerry → No C-16 Mine; 1980-04-14 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Kerry Coal Company Inc → No C-16 Mine; 1982-08-01 to 1984-03-08; source msha-controller-operator-history
- **controller_controls_operator:** Hamilton Thelma G & Kerry → Kerry Coal Company Inc; 1982-08-01 to 1984-03-08; source msha-controller-operator-history
- **operator_operates_mine:** Card Gap Coal Corp → No C-16 Mine; 1984-03-09 to 1986-02-13; source msha-controller-operator-history
- **controller_controls_mine:** Fields Clyde & Danny → No C-16 Mine; 1984-03-09 to 1986-02-13; source msha-controller-operator-history
- **controller_controls_operator:** Fields Clyde & Danny → Card Gap Coal Corp; 1984-03-09 to 1986-02-13; source msha-controller-operator-history
- **operator_operates_mine:** Karate Coal Company → No C-16 Mine; 1986-02-14 to 1986-06-18; source msha-controller-operator-history
- **controller_controls_mine:** Fields Danny → No C-16 Mine; 1986-02-14 to 1986-06-18; source msha-controller-operator-history
- **controller_controls_operator:** Fields Danny → Karate Coal Company; 1986-02-14 to 1986-06-18; source msha-controller-operator-history
- **operator_operates_mine:** Judy'S Mining Inc → No C-16 Mine; 1986-06-19 to 1986-08-13; source msha-controller-operator-history
- **controller_controls_mine:** Webb Cletis & Judy → No C-16 Mine; 1986-06-19 to 1986-08-13; source msha-controller-operator-history
- **controller_controls_operator:** Webb Cletis & Judy → Judy'S Mining Inc; 1986-06-19 to 1986-08-13; source msha-controller-operator-history
- **operator_operates_mine:** Little Mack Coal Company Inc → No C-16 Mine; 1986-08-14 to 1987-01-20; source msha-controller-operator-history
- **controller_controls_mine:** Lester Lenorad → No C-16 Mine; 1986-08-14 to 1987-01-20; source msha-controller-operator-history
- **controller_controls_operator:** Lester Lenorad → Little Mack Coal Company Inc; 1986-08-14 to 1987-01-20; source msha-controller-operator-history
- **operator_operates_mine:** F & F Coal Company Inc → No C-16 Mine; 1987-01-21 to 1987-04-22; source msha-controller-operator-history
- **controller_controls_mine:** Fuller James N → No C-16 Mine; 1987-01-21 to 1987-04-22; source msha-controller-operator-history
- **controller_controls_operator:** Fuller James N → F & F Coal Company Inc; 1987-01-21 to 1987-04-22; source msha-controller-operator-history
- **operator_operates_mine:** Lady J Coal Company → No C-16 Mine; 1987-04-23 to 1989-03-15; source msha-controller-operator-history
- **controller_controls_mine:** Taylor Garred → No C-16 Mine; 1987-04-23 to 1989-03-15; source msha-controller-operator-history
- **controller_controls_operator:** Taylor Garred → Lady J Coal Company; 1987-04-23 to 1989-03-15; source msha-controller-operator-history
- **controller_controls_mine:** Derek  Potter et al → No C-16 Mine; 1988-11-04 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Potter Mining Company Inc → No C-16 Mine; 1989-03-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Derek  Potter et al → Potter Mining Company Inc; 1989-03-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David W  Potter et al → Potter Mining Company Inc; 1989-03-16 to current/open; source msha-controller-operator-history