# Relationship history for MSHA mine 4607129

Current hierarchy: **Plaster Jackie L → P & W Mine Parts & Services Inc → Mine No 3**

- 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:** Frederick J  Taylor → Mine No 3; 1984-05-14 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Princess Polly Anna Coal Inc → Mine No 3; 1986-05-01 to 1990-05-30; source msha-controller-operator-history
- **controller_controls_operator:** Frederick J  Taylor → Princess Polly Anna Coal Inc; 1986-05-01 to 1990-05-30; source msha-controller-operator-history
- **controller_controls_mine:** Plaster Jackie L → Mine No 3; 1988-01-06 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Taylor Coal Company Inc → Mine No 3; 1990-05-31 to 1993-03-30; source msha-controller-operator-history
- **controller_controls_mine:** Freddie A  Taylor → Mine No 3; 1990-05-31 to 1993-03-30; source msha-controller-operator-history
- **controller_controls_operator:** Freddie A  Taylor → Taylor Coal Company Inc; 1990-05-31 to 1993-03-30; source msha-controller-operator-history
- **operator_operates_mine:** Princess Polly Anna Coal Inc → Mine No 3; 1993-03-31 to 1993-07-22; source msha-controller-operator-history
- **controller_controls_operator:** Frederick J  Taylor → Princess Polly Anna Coal Inc; 1993-03-31 to 1993-07-22; source msha-controller-operator-history
- **operator_operates_mine:** P & W Mine Parts & Services Inc → Mine No 3; 1993-07-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Plaster Jackie L → P & W Mine Parts & Services Inc; 1993-07-23 to current/open; source msha-controller-operator-history