# Relationship history for MSHA mine 2300746

Current hierarchy: **Michael K Farmer; Elliott (Bud) E Farmer → Capital Quarries Company Inc → SULLIVAN 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 → SULLIVAN QUARRY; 1950-01-01 to 2011-04-18; source msha-controller-operator-history
- **operator_operates_mine:** Sullivan Quarries Company → SULLIVAN QUARRY; 1950-01-01 to 1979-07-16; source msha-controller-operator-history
- **controller_controls_mine:** Norman  West → SULLIVAN QUARRY; 1950-01-01 to 1979-07-16; source msha-controller-operator-history
- **controller_controls_operator:** Norman  West → Sullivan Quarries Company; 1950-01-01 to 1979-07-16; source msha-controller-operator-history
- **operator_operates_mine:** Missouri Portable Stone Inc → SULLIVAN QUARRY; 1979-07-17 to 1985-01-03; source msha-controller-operator-history
- **controller_controls_mine:** Don E  LaBrayere → SULLIVAN QUARRY; 1979-07-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Don E  LaBrayere → Missouri Portable Stone Inc; 1979-07-17 to 1985-01-03; source msha-controller-operator-history
- **operator_operates_mine:** K R Wilson Contracting Inc → SULLIVAN QUARRY; 1985-01-04 to 1999-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Kenneth R  Wilson → SULLIVAN QUARRY; 1985-01-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kenneth R  Wilson → K R Wilson Contracting Inc; 1985-01-04 to 1999-03-31; source msha-controller-operator-history
- **operator_operates_mine:** Capital Quarries Company Inc → SULLIVAN QUARRY; 1999-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Eric S  Strope et al → Capital Quarries Company Inc; 1999-04-01 to 2011-04-18; source msha-controller-operator-history
- **controller_controls_mine:** Michael K Farmer  et al → SULLIVAN QUARRY; 2011-04-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael K Farmer  et al → Capital Quarries Company Inc; 2011-04-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Elliott (Bud) E Farmer  et al → Capital Quarries Company Inc; 2011-04-19 to current/open; source msha-controller-operator-history