# Relationship history for MSHA mine 4101687

Current hierarchy: **Charlie M Phillips → Charlie Phillips Trucking Inc → Cleburne Plant**

- 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:** Charlie M Phillips → Cleburne Plant; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** General Excavating & Equipment Company → Cleburne Plant; 1950-01-01 to 1981-04-12; source msha-controller-operator-history
- **controller_controls_mine:** Johnson J M → Cleburne Plant; 1950-01-01 to 1981-04-12; source msha-controller-operator-history
- **controller_controls_operator:** Johnson J M → General Excavating & Equipment Company; 1950-01-01 to 1981-04-12; source msha-controller-operator-history
- **operator_operates_mine:** W P Murray Construction Company → Cleburne Plant; 1981-04-13 to 1986-04-14; source msha-controller-operator-history
- **controller_controls_mine:** Murray W P → Cleburne Plant; 1981-04-13 to 1986-04-14; source msha-controller-operator-history
- **controller_controls_operator:** Murray W P → W P Murray Construction Company; 1981-04-13 to 1986-04-14; source msha-controller-operator-history
- **operator_operates_mine:** Charlie Phillips Trucking Inc → Cleburne Plant; 1986-04-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charlie M Phillips → Charlie Phillips Trucking Inc; 1986-04-15 to current/open; source msha-controller-operator-history