# Relationship history for MSHA mine 3303344

Current hierarchy: **Jack F  Solomon → Solomon's Mines Inc. → Solomon's Mines Inc.**

- 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

- **operator_operates_mine:** Beaver Creek Sand & Gravel Inc → Solomon's Mines Inc.; 1950-01-01 to 1984-10-14; source msha-controller-operator-history
- **controller_controls_mine:** Ernest  Fortune → Solomon's Mines Inc.; 1950-01-01 to 1984-10-14; source msha-controller-operator-history
- **controller_controls_operator:** Ernest  Fortune → Beaver Creek Sand & Gravel Inc; 1950-01-01 to 1984-10-14; source msha-controller-operator-history
- **operator_operates_mine:** Beaver Creek Sand & Gravel Inc → Solomon's Mines Inc.; 1984-10-15 to 1994-03-29; source msha-controller-operator-history
- **controller_controls_mine:** Delyte  De Yarmon → Solomon's Mines Inc.; 1984-10-15 to 1994-03-29; source msha-controller-operator-history
- **controller_controls_operator:** Delyte  De Yarmon → Beaver Creek Sand & Gravel Inc; 1984-10-15 to 1994-03-29; source msha-controller-operator-history
- **controller_controls_mine:** Jack F  Solomon → Solomon's Mines Inc.; 1991-08-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Road Aggregates Inc → Solomon's Mines Inc.; 1994-03-30 to 1995-02-06; source msha-controller-operator-history
- **controller_controls_mine:** Kathryn L  Murray → Solomon's Mines Inc.; 1994-03-30 to 1995-02-06; source msha-controller-operator-history
- **controller_controls_operator:** Kathryn L  Murray → Road Aggregates Inc; 1994-03-30 to 1995-02-06; source msha-controller-operator-history
- **operator_operates_mine:** Solomon's Mines Inc. → Solomon's Mines Inc.; 1995-02-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jack F  Solomon → Solomon's Mines Inc.; 1995-02-07 to current/open; source msha-controller-operator-history