# Relationship history for MSHA mine 1508104

Current hierarchy: **Rodgers Dwight G & Jack E Mc Peek → Sue-Jan Coal Company → No 1 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:** Vandiver Lewis Et Al → No 1 Mine; 1974-01-23 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Owl Creek Coal Company Inc → No 1 Mine; 1975-01-21 to 1977-04-28; source msha-controller-operator-history
- **controller_controls_operator:** Vandiver Lewis Et Al → Owl Creek Coal Company Inc; 1975-01-21 to 1977-04-28; source msha-controller-operator-history
- **operator_operates_mine:** Little Nugget Inc → No 1 Mine; 1977-04-29 to 1978-05-02; source msha-controller-operator-history
- **controller_controls_mine:** Lapradd Darrel → No 1 Mine; 1977-04-29 to 1978-05-02; source msha-controller-operator-history
- **controller_controls_operator:** Lapradd Darrel → Little Nugget Inc; 1977-04-29 to 1978-05-02; source msha-controller-operator-history
- **operator_operates_mine:** Sue-Jan Coal Company → No 1 Mine; 1978-05-03 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Rodgers Dwight G & Jack E Mc Peek → No 1 Mine; 1978-05-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rodgers Dwight G & Jack E Mc Peek → Sue-Jan Coal Company; 1978-05-03 to current/open; source msha-controller-operator-history