# Relationship history for MSHA mine 0405121

Current hierarchy: **Estate of Dale Knox; Equity Directions Inc → H M Holloway Inc → Trona Lime Project**

- 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:** Estate of Al Holloway et al → Trona Lime Project; 1950-01-01 to 2012-07-09; source msha-controller-operator-history
- **operator_operates_mine:** H M Holloway Inc → Trona Lime Project; 1990-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Estate of Al Holloway et al → H M Holloway Inc; 1990-12-01 to 2012-07-09; source msha-controller-operator-history
- **controller_controls_operator:** Estate of Dale Knox et al → H M Holloway Inc; 1990-12-01 to 2012-07-09; source msha-controller-operator-history
- **controller_controls_mine:** Equity Directions Inc et al → Trona Lime Project; 2012-07-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Equity Directions Inc et al → H M Holloway Inc; 2012-07-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Estate of Dale Knox et al → H M Holloway Inc; 2012-07-10 to current/open; source msha-controller-operator-history