# Relationship history for MSHA mine 4609616

Current hierarchy: **David Michael  Jamison; Petri E Koivula → Reflectance Energy LLC → Ned's Branch Surface Mine**

- 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:** Scott  Kiscaden → Ned's Branch Surface Mine; 2021-08-31 to 2025-10-02; source msha-controller-operator-history
- **operator_operates_mine:** Reflectance Energy LLC → Ned's Branch Surface Mine; 2021-12-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Scott  Kiscaden → Reflectance Energy LLC; 2021-12-15 to 2025-10-02; source msha-controller-operator-history
- **controller_controls_mine:** David Michael  Jamison et al → Ned's Branch Surface Mine; 2025-10-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David Michael  Jamison et al → Reflectance Energy LLC; 2025-10-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Petri E Koivula et al → Reflectance Energy LLC; 2025-10-03 to current/open; source msha-controller-operator-history