# Relationship history for MSHA mine 3610062

Current hierarchy: **Charles  Cress → Blackwood Mining → Mammoth Slope**

- 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:** Russell R  White et al → Mammoth Slope; 2006-07-13 to 2009-04-20; source msha-controller-operator-history
- **controller_controls_mine:** Charles  Cress → Mammoth Slope; 2009-04-21 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Blackwood Mining → Mammoth Slope; 2013-05-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Russell R  White et al → Blackwood Mining; 2013-05-13 to 2009-04-20; source msha-controller-operator-history
- **controller_controls_operator:** Charles J  Cress et al → Blackwood Mining; 2013-05-13 to 2009-04-20; source msha-controller-operator-history
- **controller_controls_operator:** Charles  Cress → Blackwood Mining; 2013-05-13 to current/open; source msha-controller-operator-history