# Relationship history for MSHA mine 4609070

Current hierarchy: **Petri E Koivula; David Michael  Jamison → Eagle Horizon Resources, LLC → Boone North No. 2 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:** Steven R  Mullins → Boone North No. 2 Surface Mine; 1979-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Steven R Mullins Excavating Inc → Boone North No. 2 Surface Mine; 2004-10-18 to 2006-03-23; source msha-controller-operator-history
- **controller_controls_operator:** Steven R  Mullins → Steven R Mullins Excavating Inc; 2004-10-18 to 2006-03-23; source msha-controller-operator-history
- **operator_operates_mine:** Raven Crest Contracting, LLC → Boone North No. 2 Surface Mine; 2006-03-24 to 2025-04-17; source msha-controller-operator-history
- **controller_controls_mine:** Thomas A  Potter et al → Boone North No. 2 Surface Mine; 2006-03-24 to 2010-05-13; source msha-controller-operator-history
- **controller_controls_operator:** Thomas A  Potter et al → Raven Crest Contracting, LLC; 2006-03-24 to 2010-05-13; source msha-controller-operator-history
- **controller_controls_operator:** John M  Potter et al → Raven Crest Contracting, LLC; 2006-03-24 to 2010-05-13; source msha-controller-operator-history
- **controller_controls_mine:** Xinergy Ltd → Boone North No. 2 Surface Mine; 2010-05-14 to 2016-02-09; source msha-controller-operator-history
- **controller_controls_operator:** Xinergy Ltd → Raven Crest Contracting, LLC; 2010-05-14 to 2016-02-09; source msha-controller-operator-history
- **controller_controls_mine:** White Forest Resources, Inc → Boone North No. 2 Surface Mine; 2016-02-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** White Forest Resources, Inc → Raven Crest Contracting, LLC; 2016-02-10 to 2025-04-17; source msha-controller-operator-history
- **operator_operates_mine:** Eagle Horizon Resources, LLC → Boone North No. 2 Surface Mine; 2025-04-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Petri E Koivula et al → Boone North No. 2 Surface Mine; 2025-04-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Petri E Koivula et al → Eagle Horizon Resources, LLC; 2025-04-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David Michael  Jamison et al → Eagle Horizon Resources, LLC; 2025-04-18 to current/open; source msha-controller-operator-history