# Relationship history for MSHA mine 3609538

Current hierarchy: **Elwood  McLaud → Mc Laud Flagstone → Braveheart Quarry**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Larry A  Lee → Braveheart Quarry; 2001-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** L & V Stone → Braveheart Quarry; 2007-06-26 to 2008-04-02; source msha-controller-operator-history
- **controller_controls_mine:** Vernon L  Smith et al → Braveheart Quarry; 2007-06-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Vernon L  Smith et al → L & V Stone; 2007-06-26 to 2008-04-02; source msha-controller-operator-history
- **controller_controls_operator:** Linda K  Micklo et al → L & V Stone; 2007-06-26 to 2008-04-02; source msha-controller-operator-history
- **operator_operates_mine:** V - Stone → Braveheart Quarry; 2008-04-03 to 2010-05-25; source msha-controller-operator-history
- **controller_controls_mine:** Vernon L  Smith → Braveheart Quarry; 2008-04-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Vernon L  Smith → V - Stone; 2008-04-03 to 2010-05-25; source msha-controller-operator-history
- **operator_operates_mine:** S & L Stone → Braveheart Quarry; 2010-05-26 to 2010-07-28; source msha-controller-operator-history
- **controller_controls_mine:** Larry A  Lee et al → Braveheart Quarry; 2010-05-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Larry A  Lee et al → S & L Stone; 2010-05-26 to 2010-07-28; source msha-controller-operator-history
- **controller_controls_operator:** Scott H  Rosenkrans et al → S & L Stone; 2010-05-26 to 2010-07-28; source msha-controller-operator-history
- **operator_operates_mine:** L. L. Flagstone → Braveheart Quarry; 2010-07-29 to 2010-10-11; source msha-controller-operator-history
- **controller_controls_operator:** Larry A  Lee → L. L. Flagstone; 2010-07-29 to 2010-10-11; source msha-controller-operator-history
- **operator_operates_mine:** Mc Laud Flagstone → Braveheart Quarry; 2010-10-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Elwood  McLaud → Braveheart Quarry; 2010-10-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Elwood  McLaud → Mc Laud Flagstone; 2010-10-12 to current/open; source msha-controller-operator-history