# Relationship history for MSHA mine 2902252

Current hierarchy: **Jami  Jackson; Jason  Jackson → Deming Sand & Gravel LLC → Khani K100/Metso Crusher & Screen**

- 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:** Khani Co. Inc. → Khani K100/Metso Crusher & Screen; 2003-06-13 to 2018-03-21; source msha-controller-operator-history
- **controller_controls_mine:** Naser  Alikhani → Khani K100/Metso Crusher & Screen; 2003-07-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Naser  Alikhani → Khani Co. Inc.; 2003-07-07 to 2018-03-21; source msha-controller-operator-history
- **controller_controls_mine:** Jason  Jackson et al → Khani K100/Metso Crusher & Screen; 2015-07-22 to 2022-12-21; source msha-controller-operator-history
- **operator_operates_mine:** Deming Sand & Gravel LLC → Khani K100/Metso Crusher & Screen; 2018-03-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jason  Jackson et al → Deming Sand & Gravel LLC; 2018-03-22 to 2022-12-21; source msha-controller-operator-history
- **controller_controls_operator:** Tyler  Jackson et al → Deming Sand & Gravel LLC; 2018-03-22 to 2022-12-21; source msha-controller-operator-history
- **controller_controls_mine:** Jason  Jackson et al → Khani K100/Metso Crusher & Screen; 2022-12-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jason  Jackson et al → Deming Sand & Gravel LLC; 2022-12-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jami  Jackson et al → Deming Sand & Gravel LLC; 2022-12-22 to current/open; source msha-controller-operator-history