# Relationship history for MSHA mine 0103091

Current hierarchy: **A J  Taft → Ellis Minerals Llc → Mccollum 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:** Donnie  Ellis et al → Mccollum Mine; 1996-11-01 to 1999-03-01; source msha-controller-operator-history
- **operator_operates_mine:** Ellis Minerals Llc → Mccollum Mine; 1997-02-01 to 1999-03-01; source msha-controller-operator-history
- **controller_controls_operator:** Donnie  Ellis et al → Ellis Minerals Llc; 1997-02-01 to 1999-03-01; source msha-controller-operator-history
- **operator_operates_mine:** Ellis Minerals Llc → Mccollum Mine; 1999-03-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** A J  Taft → Mccollum Mine; 1999-03-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** A J  Taft → Ellis Minerals Llc; 1999-03-02 to current/open; source msha-controller-operator-history