# Relationship history for MSHA mine 1504655

Current hierarchy: **Five M Corp → Two M Corp → Two M**

- 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:** Bill Pruitt Coal Company → Two M; 1950-01-01 to 1980-10-14; source msha-controller-operator-history
- **controller_controls_mine:** Pruitt Bill → Two M; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Pruitt Bill → Bill Pruitt Coal Company; 1950-01-01 to 1980-10-14; source msha-controller-operator-history
- **controller_controls_mine:** White Ulys P & Edward V Cole → Two M; 1975-12-30 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Amonate Coal Company Inc → Two M; 1980-10-15 to 1981-11-03; source msha-controller-operator-history
- **controller_controls_operator:** White Ulys P & Edward V Cole → Amonate Coal Company Inc; 1980-10-15 to 1981-11-03; source msha-controller-operator-history
- **operator_operates_mine:** Pentagon Coal Inc → Two M; 1981-11-04 to 1984-09-24; source msha-controller-operator-history
- **controller_controls_mine:** Rincic Mike-Richard F Baugh Et Al → Two M; 1981-11-04 to 1984-09-24; source msha-controller-operator-history
- **controller_controls_operator:** Rincic Mike-Richard F Baugh Et Al → Pentagon Coal Inc; 1981-11-04 to 1984-09-24; source msha-controller-operator-history
- **operator_operates_mine:** High Line Energy Inc → Two M; 1984-09-25 to 1985-10-16; source msha-controller-operator-history
- **controller_controls_mine:** Rincic Mike & Dave Smith → Two M; 1984-09-25 to 1985-10-16; source msha-controller-operator-history
- **controller_controls_operator:** Rincic Mike & Dave Smith → High Line Energy Inc; 1984-09-25 to 1985-10-16; source msha-controller-operator-history
- **operator_operates_mine:** Two M Corp → Two M; 1985-10-17 to 1986-03-17; source msha-controller-operator-history
- **controller_controls_mine:** Jessie  Meadows → Two M; 1985-10-17 to 1986-03-17; source msha-controller-operator-history
- **controller_controls_operator:** Jessie  Meadows → Two M Corp; 1985-10-17 to 1986-03-17; source msha-controller-operator-history
- **operator_operates_mine:** Two M Corp → Two M; 1986-03-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Five M Corp → Two M; 1986-03-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Five M Corp → Two M Corp; 1986-03-18 to current/open; source msha-controller-operator-history