# Relationship history for MSHA mine 2402642

Current hierarchy: **Ace  Stoican; John L Stoican; Steve  Stoican; Lindsay  Stoican → SB Stone → Barber 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:** Wind River Stone → Barber Pit; 2012-10-16 to 2013-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Bruce G  McAllister → Barber Pit; 2012-10-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bruce G  McAllister → Wind River Stone; 2012-10-16 to 2013-05-31; source msha-controller-operator-history
- **operator_operates_mine:** Eastside Enterprises → Barber Pit; 2013-06-01 to 2015-04-17; source msha-controller-operator-history
- **controller_controls_mine:** Scott D  Smith → Barber Pit; 2013-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Scott D  Smith → Eastside Enterprises; 2013-06-01 to 2015-04-17; source msha-controller-operator-history
- **operator_operates_mine:** Ewing Stone → Barber Pit; 2015-04-18 to 2015-10-05; source msha-controller-operator-history
- **controller_controls_mine:** Mike A  Ewing → Barber Pit; 2015-04-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mike A  Ewing → Ewing Stone; 2015-04-18 to 2015-10-05; source msha-controller-operator-history
- **operator_operates_mine:** HQ Stone Products, LLC → Barber Pit; 2015-10-06 to 2018-10-02; source msha-controller-operator-history
- **controller_controls_mine:** Diane  Cates → Barber Pit; 2015-10-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Diane  Cates → HQ Stone Products, LLC; 2015-10-06 to 2018-10-02; source msha-controller-operator-history
- **operator_operates_mine:** SB Stone → Barber Pit; 2018-10-03 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Lindsay  Stoican et al → Barber Pit; 2018-10-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lindsay  Stoican et al → SB Stone; 2018-10-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Steve  Stoican et al → SB Stone; 2018-10-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John L Stoican et al → SB Stone; 2018-10-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ace  Stoican et al → SB Stone; 2018-10-03 to current/open; source msha-controller-operator-history