# Relationship history for MSHA mine 2302173

Current hierarchy: **Michael K Farmer; Elliott (Bud) E Farmer → Capital Materials, LLC. → Bates City 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:** Ashland Inc → Bates City Quarry; 1950-01-01 to 2006-08-27; source msha-controller-operator-history
- **controller_controls_mine:** John  Hilty  et al → Bates City Quarry; 1950-01-01 to 2009-11-03; source msha-controller-operator-history
- **controller_controls_mine:** Ashland Inc → Bates City Quarry; 1996-08-07 to 2006-08-27; source msha-controller-operator-history
- **operator_operates_mine:** Limpus Quarries Inc → Bates City Quarry; 1998-04-01 to 2007-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Ashland Inc → Limpus Quarries Inc; 1998-04-01 to 2006-08-27; source msha-controller-operator-history
- **controller_controls_mine:** CRH PLC → Bates City Quarry; 2006-08-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** CRH PLC → Limpus Quarries Inc; 2006-08-28 to 2007-12-31; source msha-controller-operator-history
- **operator_operates_mine:** APAC - Kansas, Inc. → Bates City Quarry; 2008-01-01 to 2012-04-23; source msha-controller-operator-history
- **controller_controls_operator:** Ashland Inc → APAC - Kansas, Inc.; 2008-01-01 to 2006-08-27; source msha-controller-operator-history
- **controller_controls_operator:** CRH PLC → APAC - Kansas, Inc.; 2008-01-01 to 2012-04-23; source msha-controller-operator-history
- **controller_controls_mine:** CRH PLC → Bates City Quarry; 2009-11-04 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Hilty Quarries, Inc. → Bates City Quarry; 2012-04-24 to 2016-01-04; source msha-controller-operator-history
- **controller_controls_operator:** John  Hilty  et al → Hilty Quarries, Inc.; 2012-04-24 to 2009-11-03; source msha-controller-operator-history
- **controller_controls_operator:** CRH PLC → Hilty Quarries, Inc.; 2012-04-24 to 2016-01-04; source msha-controller-operator-history
- **operator_operates_mine:** APAC-Kansas, Inc → Bates City Quarry; 2016-01-05 to 2026-02-12; source msha-controller-operator-history
- **controller_controls_operator:** Ashland Inc → APAC-Kansas, Inc; 2016-01-05 to 2006-08-27; source msha-controller-operator-history
- **controller_controls_operator:** CRH PLC → APAC-Kansas, Inc; 2016-01-05 to 2026-02-12; source msha-controller-operator-history
- **controller_controls_mine:** Michael K Farmer  et al → Bates City Quarry; 2016-05-12 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Capital Materials, LLC. → Bates City Quarry; 2026-02-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael K Farmer  et al → Capital Materials, LLC.; 2026-02-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Elliott (Bud) E Farmer  et al → Capital Materials, LLC.; 2026-02-13 to current/open; source msha-controller-operator-history