# Relationship history for MSHA mine 4002841

Current hierarchy: **Jon  Kraus; Jason  Hamill → Tennessee Marble Company → Brown 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Charles S  Luck IV  et al → Brown Quarry; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** C N  Ledgerwood → Brown Quarry; 1980-08-01 to 1989-05-04; source msha-controller-operator-history
- **operator_operates_mine:** Marble Shop Inc → Brown Quarry; 1983-08-01 to 1988-12-01; source msha-controller-operator-history
- **controller_controls_operator:** C N  Ledgerwood → Marble Shop Inc; 1983-08-01 to 1988-12-01; source msha-controller-operator-history
- **operator_operates_mine:** Luck Stone Corp - Pittsboro Plant → Brown Quarry; 1988-12-02 to 1997-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Charles S  Luck IV  et al → Luck Stone Corp - Pittsboro Plant; 1988-12-02 to 1997-06-30; source msha-controller-operator-history
- **operator_operates_mine:** Tennessee Marble Company → Brown Quarry; 1997-07-01 to 2026-01-08; source msha-controller-operator-history
- **controller_controls_mine:** Monica J  Gawet → Brown Quarry; 1997-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Monica J  Gawet → Tennessee Marble Company; 1997-07-01 to 2026-01-08; source msha-controller-operator-history
- **operator_operates_mine:** Tennessee Marble Company → Brown Quarry; 2026-01-09 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jon  Kraus et al → Brown Quarry; 2026-01-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jon  Kraus et al → Tennessee Marble Company; 2026-01-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jason  Hamill et al → Tennessee Marble Company; 2026-01-09 to current/open; source msha-controller-operator-history