# Relationship history for MSHA mine 4201279

Current hierarchy: **Iracoal Incorporated → Lodestar Energy Inc → White Oak Mine #1**

- 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:** Quaker State Corp → White Oak Mine #1; 1974-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Valley Camp Of Utah Inc → White Oak Mine #1; 1976-01-01 to 1993-09-17; source msha-controller-operator-history
- **controller_controls_operator:** Quaker State Corp → Valley Camp Of Utah Inc; 1976-01-01 to 1993-09-17; source msha-controller-operator-history
- **operator_operates_mine:** White Oak Mining & Construction Company Inc → White Oak Mine #1; 1993-09-18 to 1999-07-14; source msha-controller-operator-history
- **controller_controls_mine:** Scott  Kiscaden et al → White Oak Mine #1; 1993-09-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Scott  Kiscaden et al → White Oak Mining & Construction Company Inc; 1993-09-18 to 1999-07-14; source msha-controller-operator-history
- **controller_controls_operator:** (Donald) Todd  Kiscaden et al → White Oak Mining & Construction Company Inc; 1993-09-18 to 1999-07-14; source msha-controller-operator-history
- **controller_controls_mine:** Iracoal Incorporated → White Oak Mine #1; 1997-01-31 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Lodestar Energy Inc → White Oak Mine #1; 1999-07-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Iracoal Incorporated → Lodestar Energy Inc; 1999-07-15 to current/open; source msha-controller-operator-history