# Relationship history for MSHA mine 4603981

Current hierarchy: **Kenneth  LaVan → Mountaineer Commercial Development Corp → K Mine**

- 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:** Pittston Company → K Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Ranger Fuel Corp → K Mine; 1974-01-01 to 1978-10-11; source msha-controller-operator-history
- **controller_controls_operator:** Pittston Company → Ranger Fuel Corp; 1974-01-01 to 1978-10-11; source msha-controller-operator-history
- **operator_operates_mine:** White Eagle Coal Company Inc → K Mine; 1978-10-12 to 1979-09-30; source msha-controller-operator-history
- **controller_controls_mine:** Wood Lonnie J → K Mine; 1978-10-12 to 1980-07-06; source msha-controller-operator-history
- **controller_controls_operator:** Wood Lonnie J → White Eagle Coal Company Inc; 1978-10-12 to 1979-09-30; source msha-controller-operator-history
- **operator_operates_mine:** Crane Enterprises Inc → K Mine; 1979-10-01 to 1980-06-09; source msha-controller-operator-history
- **controller_controls_mine:** Crane James Douglas → K Mine; 1979-10-01 to 1980-06-09; source msha-controller-operator-history
- **controller_controls_operator:** Crane James Douglas → Crane Enterprises Inc; 1979-10-01 to 1980-06-09; source msha-controller-operator-history
- **operator_operates_mine:** Mountaineer Commercial Development Corp → K Mine; 1980-06-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kenneth  LaVan → K Mine; 1980-06-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kenneth  LaVan → Mountaineer Commercial Development Corp; 1980-06-10 to current/open; source msha-controller-operator-history