# Relationship history for MSHA mine 4404880

Current hierarchy: **Elkins Patricia A → Lazy E Coal Corp → 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

- **operator_operates_mine:** Absolute Coal Company → No 1 Mine; 1977-10-01 to 1979-05-18; source msha-controller-operator-history
- **controller_controls_mine:** Musick Robert & Charles → No 1 Mine; 1977-10-01 to 1979-05-18; source msha-controller-operator-history
- **controller_controls_operator:** Musick Robert & Charles → Absolute Coal Company; 1977-10-01 to 1979-05-18; source msha-controller-operator-history
- **operator_operates_mine:** Absolute Coal Corp → No 1 Mine; 1979-05-19 to 1980-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Petersville Sleigh Ltd Et Al → No 1 Mine; 1979-05-19 to 1980-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Petersville Sleigh Ltd Et Al → Absolute Coal Corp; 1979-05-19 to 1980-03-31; source msha-controller-operator-history
- **operator_operates_mine:** M & H Coal Company Inc → No 1 Mine; 1980-04-01 to 1980-11-25; source msha-controller-operator-history
- **controller_controls_mine:** Mc Inturff Kenneth R → No 1 Mine; 1980-04-01 to 1980-11-25; source msha-controller-operator-history
- **controller_controls_operator:** Mc Inturff Kenneth R → M & H Coal Company Inc; 1980-04-01 to 1980-11-25; source msha-controller-operator-history
- **operator_operates_mine:** Lazy E Coal Corp → No 1 Mine; 1980-11-26 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Elkins Patricia A → No 1 Mine; 1980-11-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Elkins Patricia A → Lazy E Coal Corp; 1980-11-26 to current/open; source msha-controller-operator-history