# Relationship history for MSHA mine 0801228

Current hierarchy: **Troy  McDonald → T & M Mining LLC → Barclay Hall Ranch**

- 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:** Terry J Cooke → Barclay Hall Ranch; 1995-04-01 to 2011-03-09; source msha-controller-operator-history
- **controller_controls_mine:** Cooke Terry J → Barclay Hall Ranch; 1995-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cooke Terry J → Terry J Cooke; 1995-04-01 to 2011-03-09; source msha-controller-operator-history
- **operator_operates_mine:** Barclay of SW Florida & Wash Loop LLC → Barclay Hall Ranch; 2011-03-10 to 2012-09-18; source msha-controller-operator-history
- **controller_controls_mine:** Daniel  Beaudion et al → Barclay Hall Ranch; 2011-03-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Daniel  Beaudion et al → Barclay of SW Florida & Wash Loop LLC; 2011-03-10 to 2012-09-18; source msha-controller-operator-history
- **controller_controls_operator:** Lovina J  Lehr et al → Barclay of SW Florida & Wash Loop LLC; 2011-03-10 to 2012-09-18; source msha-controller-operator-history
- **operator_operates_mine:** T & M Mining LLC → Barclay Hall Ranch; 2012-09-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Troy  McDonald → Barclay Hall Ranch; 2012-09-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Troy  McDonald → T & M Mining LLC; 2012-09-19 to current/open; source msha-controller-operator-history