# Relationship history for MSHA mine 1510432

Current hierarchy: **Jessie  Meadows → Coal Valley Mining Inc → No 2-A 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:** Chaney Cecil → No 2-A Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jessie  Meadows → No 2-A Mine; 1975-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Little Hackney Creek Coal Company → No 2-A Mine; 1977-05-01 to 1977-08-01; source msha-controller-operator-history
- **controller_controls_operator:** Chaney Cecil → Little Hackney Creek Coal Company; 1977-05-01 to 1977-08-01; source msha-controller-operator-history
- **controller_controls_mine:** Murray G Dale & Jan Gorgen → No 2-A Mine; 1977-07-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Little Hackney Creek Coal Company → No 2-A Mine; 1977-08-02 to 1980-02-28; source msha-controller-operator-history
- **controller_controls_operator:** Murray G Dale & Jan Gorgen → Little Hackney Creek Coal Company; 1977-08-02 to 1980-02-28; source msha-controller-operator-history
- **controller_controls_mine:** United  Company → No 2-A Mine; 1980-02-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Little Hackney Creek Coal Company → No 2-A Mine; 1980-02-29 to 1980-09-02; source msha-controller-operator-history
- **controller_controls_operator:** United  Company → Little Hackney Creek Coal Company; 1980-02-29 to 1980-09-02; source msha-controller-operator-history
- **operator_operates_mine:** Coal Valley Mining Inc → No 2-A Mine; 1980-09-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jessie  Meadows → Coal Valley Mining Inc; 1980-09-03 to current/open; source msha-controller-operator-history