# Relationship history for MSHA mine 4503367

Current hierarchy: **Katherine  Tillman; Paul O Tillman → Coulee Pre-Cast → Green's Pit**

- 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:** Ray R  Green → Green's Pit; 1985-04-15 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Green's Excavation & Supply Inc → Green's Pit; 1997-07-01 to 2004-08-03; source msha-controller-operator-history
- **controller_controls_operator:** Ray R  Green → Green's Excavation & Supply Inc; 1997-07-01 to 2004-08-03; source msha-controller-operator-history
- **controller_controls_mine:** Paul O Tillman → Green's Pit; 2001-05-01 to 2018-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Coulee Dam Concrete → Green's Pit; 2004-08-04 to 2021-06-17; source msha-controller-operator-history
- **controller_controls_operator:** Paul O Tillman → Coulee Dam Concrete; 2004-08-04 to 2018-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Jesse O Tillman et al → Green's Pit; 2019-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jesse O Tillman et al → Coulee Dam Concrete; 2019-01-01 to 2021-06-17; source msha-controller-operator-history
- **controller_controls_operator:** Emily B Tillman et al → Coulee Dam Concrete; 2019-01-01 to 2021-06-17; source msha-controller-operator-history
- **operator_operates_mine:** Coulee Pre-Cast → Green's Pit; 2021-06-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Katherine  Tillman et al → Green's Pit; 2021-06-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Katherine  Tillman et al → Coulee Pre-Cast; 2021-06-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Paul O Tillman et al → Coulee Pre-Cast; 2021-06-18 to current/open; source msha-controller-operator-history