# Relationship history for MSHA mine 1002189

Current hierarchy: **Karl H Kloepfer → Kloepfer, Inc. → Plant 4**

- 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:** Fred P  Kloepfer → Plant 4; 1950-01-01 to 2023-06-27; source msha-controller-operator-history
- **operator_operates_mine:** Kloepfer, Inc. → Plant 4; 2009-07-20 to 2024-08-18; source msha-controller-operator-history
- **controller_controls_operator:** Fred P  Kloepfer → Kloepfer, Inc.; 2009-07-20 to 2023-06-27; source msha-controller-operator-history
- **controller_controls_mine:** Karl H Kloepfer → Plant 4; 2023-06-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Karl H Kloepfer → Kloepfer, Inc.; 2023-06-28 to 2024-08-18; source msha-controller-operator-history
- **operator_operates_mine:** Kloepfer, Inc. → Plant 4; 2024-08-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Karl H Kloepfer → Plant 4; 2024-08-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Karl H Kloepfer → Kloepfer, Inc.; 2024-08-19 to current/open; source msha-controller-operator-history