# Relationship history for MSHA mine 1519597

Current hierarchy: **Woodrow W  Church; Darren J  Spencer → High Country Mining, Inc. → Wyco Surface Mine No1**

- 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:** William H  Sanders III et al → Wyco Surface Mine No1; 2010-11-16 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Pageton Trucking LLC → Wyco Surface Mine No1; 2011-06-14 to 2018-11-19; source msha-controller-operator-history
- **controller_controls_operator:** William H  Sanders III et al → Pageton Trucking LLC; 2011-06-14 to 2018-11-19; source msha-controller-operator-history
- **controller_controls_operator:** Woodrow W  Church et al → Pageton Trucking LLC; 2011-06-14 to 2018-11-19; source msha-controller-operator-history
- **operator_operates_mine:** High Country Mining, Inc. → Wyco Surface Mine No1; 2018-11-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Woodrow W  Church et al → Wyco Surface Mine No1; 2018-11-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Woodrow W  Church et al → High Country Mining, Inc.; 2018-11-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Darren J  Spencer et al → High Country Mining, Inc.; 2018-11-20 to current/open; source msha-controller-operator-history