# Relationship history for MSHA mine 1518465

Current hierarchy: **James  Davidson Jr → D & D Processing, LLC → # 2 Surface**

- 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:** Dylan Mining LLC → # 2 Surface; 2001-10-17 to 2004-08-11; source msha-controller-operator-history
- **controller_controls_mine:** Christopher  Hoke et al → # 2 Surface; 2001-10-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Christopher  Hoke et al → Dylan Mining LLC; 2001-10-17 to 2004-08-11; source msha-controller-operator-history
- **controller_controls_operator:** Jake  Dake et al → Dylan Mining LLC; 2001-10-17 to 2004-08-11; source msha-controller-operator-history
- **controller_controls_mine:** James  Davidson Jr  et al → # 2 Surface; 2004-02-18 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** D & D Processing, LLC → # 2 Surface; 2004-08-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James  Davidson Jr  et al → D & D Processing, LLC; 2004-08-12 to current/open; source msha-controller-operator-history