# Relationship history for MSHA mine 4003220

Current hierarchy: **Dustin R  Walker; Billy R  Walker → Walker Stone LLC → Lewis Chapel 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Lewis Chapel Stone LLC → Lewis Chapel Quarry; 2004-04-05 to 2013-01-27; source msha-controller-operator-history
- **controller_controls_mine:** Manuel D  Montes et al → Lewis Chapel Quarry; 2004-04-05 to 2009-01-26; source msha-controller-operator-history
- **controller_controls_operator:** Manuel D  Montes et al → Lewis Chapel Stone LLC; 2004-04-05 to 2009-01-26; source msha-controller-operator-history
- **controller_controls_mine:** Patrick  Garrison → Lewis Chapel Quarry; 2007-05-31 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Anthony B  Garrison et al → Lewis Chapel Quarry; 2009-01-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Anthony B  Garrison et al → Lewis Chapel Stone LLC; 2009-01-27 to 2013-01-27; source msha-controller-operator-history
- **controller_controls_operator:** Roy  Potter et al → Lewis Chapel Stone LLC; 2009-01-27 to 2013-01-27; source msha-controller-operator-history
- **operator_operates_mine:** Rocky Ridge Stone Company, LLC → Lewis Chapel Quarry; 2013-01-28 to 2016-07-11; source msha-controller-operator-history
- **controller_controls_operator:** Patrick  Garrison → Rocky Ridge Stone Company, LLC; 2013-01-28 to 2016-07-11; source msha-controller-operator-history
- **operator_operates_mine:** Kirkland Quarries, LLC → Lewis Chapel Quarry; 2016-07-12 to 2018-07-31; source msha-controller-operator-history
- **controller_controls_mine:** Anthony B  Garrison et al → Lewis Chapel Quarry; 2016-07-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Anthony B  Garrison et al → Kirkland Quarries, LLC; 2016-07-12 to 2018-07-31; source msha-controller-operator-history
- **controller_controls_operator:** James B  Kirkland Jr et al → Kirkland Quarries, LLC; 2016-07-12 to 2018-07-31; source msha-controller-operator-history
- **operator_operates_mine:** Kirkland Quarries, LLC → Lewis Chapel Quarry; 2018-08-01 to 2022-04-04; source msha-controller-operator-history
- **controller_controls_mine:** Anthony B  Garrison → Lewis Chapel Quarry; 2018-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Anthony B  Garrison → Kirkland Quarries, LLC; 2018-08-01 to 2022-04-04; source msha-controller-operator-history
- **controller_controls_mine:** Dustin R  Walker et al → Lewis Chapel Quarry; 2021-07-28 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Walker Stone LLC → Lewis Chapel Quarry; 2022-04-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dustin R  Walker et al → Walker Stone LLC; 2022-04-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Billy R  Walker et al → Walker Stone LLC; 2022-04-05 to current/open; source msha-controller-operator-history