# Relationship history for MSHA mine 4003419

Current hierarchy: **Edd Stanley  Henson → Edd S. Henson Jr. Transport → Wheeler**

- 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:** Robert L  Brown → Wheeler; 2006-06-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Brown's Stone → Wheeler; 2012-03-08 to 2012-04-16; source msha-controller-operator-history
- **controller_controls_operator:** Robert L  Brown → Brown's Stone; 2012-03-08 to 2012-04-16; source msha-controller-operator-history
- **operator_operates_mine:** B Stone → Wheeler; 2012-04-17 to 2012-05-28; source msha-controller-operator-history
- **controller_controls_mine:** Amber  Arnett-Brown → Wheeler; 2012-04-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Amber  Arnett-Brown → B Stone; 2012-04-17 to 2012-05-28; source msha-controller-operator-history
- **operator_operates_mine:** B Stone → Wheeler; 2012-05-29 to 2012-08-29; source msha-controller-operator-history
- **controller_controls_mine:** Robert Lynn  Brown Jr → Wheeler; 2012-05-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert Lynn  Brown Jr → B Stone; 2012-05-29 to 2012-08-29; source msha-controller-operator-history
- **operator_operates_mine:** Edd S. Henson Jr. Transport → Wheeler; 2012-08-30 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Edd Stanley  Henson → Wheeler; 2012-08-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Edd Stanley  Henson → Edd S. Henson Jr. Transport; 2012-08-30 to current/open; source msha-controller-operator-history