# Relationship history for MSHA mine 3503824

Current hierarchy: **Waylon R Porter; George R Bodyfelt → Little River Quarries LLC → Bodyfelt  Pit**

- 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:** Porter Excavation → Bodyfelt  Pit; 2015-02-01 to 2020-06-11; source msha-controller-operator-history
- **controller_controls_mine:** Waylon R  Porter → Bodyfelt  Pit; 2015-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Waylon R  Porter → Porter Excavation; 2015-02-01 to 2020-06-11; source msha-controller-operator-history
- **operator_operates_mine:** Little River Quarries LLC → Bodyfelt  Pit; 2020-06-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Waylon R Porter et al → Bodyfelt  Pit; 2020-06-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Waylon R Porter et al → Little River Quarries LLC; 2020-06-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** George R Bodyfelt et al → Little River Quarries LLC; 2020-06-12 to current/open; source msha-controller-operator-history