# Relationship history for MSHA mine 4201067

Current hierarchy: **Kimberly Consolidated Mines Inc → Kimberly Consolidated Mines Inc → Annie Laurie - Sevier**

- 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:** Annie Laurie Mining Ventures Limited → Annie Laurie - Sevier; 1950-01-01 to 1981-06-21; source msha-controller-operator-history
- **controller_controls_mine:** Annie Laurie Mining Ventures Limited → Annie Laurie - Sevier; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Annie Laurie Mining Ventures Limited → Annie Laurie Mining Ventures Limited; 1950-01-01 to 1981-06-21; source msha-controller-operator-history
- **operator_operates_mine:** Kimberly Consolidated Mines Inc → Annie Laurie - Sevier; 1981-06-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kimberly Consolidated Mines Inc Et Al → Annie Laurie - Sevier; 1981-06-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kimberly Consolidated Mines Inc Et Al → Kimberly Consolidated Mines Inc; 1981-06-22 to current/open; source msha-controller-operator-history