# Relationship history for MSHA mine 2200817

Current hierarchy: **Dunn Investment Company → RockCo Mining LLC → RockCo Mining LLC-Batesville**

- 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:** RockCo Mining LLC → RockCo Mining LLC-Batesville; 2014-05-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Joey R  Havens et al → RockCo Mining LLC-Batesville; 2014-05-20 to 2023-04-30; source msha-controller-operator-history
- **controller_controls_operator:** Joey R  Havens et al → RockCo Mining LLC; 2014-05-20 to 2023-04-30; source msha-controller-operator-history
- **controller_controls_operator:** Michael R  Havens et al → RockCo Mining LLC; 2014-05-20 to 2023-04-30; source msha-controller-operator-history
- **controller_controls_mine:** Dunn Investment Company → RockCo Mining LLC-Batesville; 2023-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dunn Investment Company → RockCo Mining LLC; 2023-05-01 to current/open; source msha-controller-operator-history