# Relationship history for MSHA mine 1700600

Current hierarchy: **All States Materials Group → Auburn Asphalt, LLC → Christian Hill 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

- **operator_operates_mine:** K & K Excavation Inc → Christian Hill Quarry; 1990-08-01 to 2015-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Clay  McClafferty et al → Christian Hill Quarry; 1990-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Clay  McClafferty et al → K & K Excavation Inc; 1990-08-01 to 2015-12-31; source msha-controller-operator-history
- **operator_operates_mine:** L A Quarry, LLC → Christian Hill Quarry; 2016-01-01 to 2016-09-14; source msha-controller-operator-history
- **controller_controls_mine:** George  Schott → Christian Hill Quarry; 2016-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** George  Schott → L A Quarry, LLC; 2016-01-01 to 2016-09-14; source msha-controller-operator-history
- **operator_operates_mine:** Auburn Aggregates LLC → Christian Hill Quarry; 2016-09-15 to 2026-06-18; source msha-controller-operator-history
- **controller_controls_mine:** Joel  Cummings et al → Christian Hill Quarry; 2016-09-15 to 2023-11-19; source msha-controller-operator-history
- **controller_controls_operator:** Joel  Cummings et al → Auburn Aggregates LLC; 2016-09-15 to 2023-11-19; source msha-controller-operator-history
- **controller_controls_operator:** Rodney A  Cummings et al → Auburn Aggregates LLC; 2016-09-15 to 2023-11-19; source msha-controller-operator-history
- **controller_controls_operator:** Lori A  Gile et al → Auburn Aggregates LLC; 2016-09-15 to 2023-11-19; source msha-controller-operator-history
- **controller_controls_mine:** Lori A Gile et al → Christian Hill Quarry; 2023-11-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lori A Gile et al → Auburn Aggregates LLC; 2023-11-20 to 2026-06-18; source msha-controller-operator-history
- **controller_controls_operator:** Joel P Cummings et al → Auburn Aggregates LLC; 2023-11-20 to 2026-06-18; source msha-controller-operator-history
- **controller_controls_mine:** All States Materials Group → Christian Hill Quarry; 2025-04-09 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Auburn Asphalt, LLC → Christian Hill Quarry; 2026-06-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** All States Materials Group → Auburn Asphalt, LLC; 2026-06-19 to current/open; source msha-controller-operator-history