# Relationship history for MSHA mine 3003756

Current hierarchy: **John J  O'Brien; James E  O'Brien Jr → BORU Holdings, LLC → Hurley 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

- **controller_controls_mine:** Donald A Narde → Hurley Pit; 1979-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Narde Paving Company Inc → Hurley Pit; 2010-05-27 to 2014-10-22; source msha-controller-operator-history
- **controller_controls_operator:** Donald A Narde → Narde Paving Company Inc; 2010-05-27 to 2014-10-22; source msha-controller-operator-history
- **operator_operates_mine:** Bothar Construction, LLC → Hurley Pit; 2014-10-23 to 2020-11-24; source msha-controller-operator-history
- **controller_controls_mine:** James E  O'Brien Jr et al → Hurley Pit; 2014-10-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James E  O'Brien Jr et al → Bothar Construction, LLC; 2014-10-23 to 2020-11-24; source msha-controller-operator-history
- **controller_controls_operator:** John J  O'Brien et al → Bothar Construction, LLC; 2014-10-23 to 2020-11-24; source msha-controller-operator-history
- **operator_operates_mine:** BORU Holdings, LLC → Hurley Pit; 2020-11-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** John J  O'Brien et al → Hurley Pit; 2020-11-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John J  O'Brien et al → BORU Holdings, LLC; 2020-11-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James E  O'Brien Jr et al → BORU Holdings, LLC; 2020-11-25 to current/open; source msha-controller-operator-history