# Relationship history for MSHA mine 2300947

Current hierarchy: **Michael K Farmer; Elliott (Bud) E Farmer → Capital Quarries Co Inc → Arcadia Quarry**

- 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:** Eric S  Strope et al → Arcadia Quarry; 1950-01-01 to 2011-04-18; source msha-controller-operator-history
- **operator_operates_mine:** J O Coleman & Sons Inc → Arcadia Quarry; 1950-01-01 to 1987-01-20; source msha-controller-operator-history
- **controller_controls_mine:** J O Coleman & Sons Inc → Arcadia Quarry; 1950-01-01 to 1987-01-20; source msha-controller-operator-history
- **controller_controls_operator:** J O Coleman & Sons Inc → J O Coleman & Sons Inc; 1950-01-01 to 1987-01-20; source msha-controller-operator-history
- **operator_operates_mine:** Orth'S Sand & Gravel Company → Arcadia Quarry; 1987-01-21 to 1988-08-21; source msha-controller-operator-history
- **controller_controls_mine:** Joe  Favier → Arcadia Quarry; 1987-01-21 to 1988-08-21; source msha-controller-operator-history
- **controller_controls_operator:** Joe  Favier → Orth'S Sand & Gravel Company; 1987-01-21 to 1988-08-21; source msha-controller-operator-history
- **operator_operates_mine:** West Limestone Quarry → Arcadia Quarry; 1988-08-22 to 2006-01-05; source msha-controller-operator-history
- **controller_controls_mine:** James L  West → Arcadia Quarry; 1988-08-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James L  West → West Limestone Quarry; 1988-08-22 to 2006-01-05; source msha-controller-operator-history
- **operator_operates_mine:** Capital Quarries Co Inc → Arcadia Quarry; 2006-01-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Eric S  Strope et al → Capital Quarries Co Inc; 2006-01-06 to 2011-04-18; source msha-controller-operator-history
- **controller_controls_mine:** Michael K Farmer  et al → Arcadia Quarry; 2011-04-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael K Farmer  et al → Capital Quarries Co Inc; 2011-04-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Elliott (Bud) E Farmer  et al → Capital Quarries Co Inc; 2011-04-19 to current/open; source msha-controller-operator-history