# Relationship history for MSHA mine 4002830

Current hierarchy: **Flynn Larry → Lad Mining Inc → No 34**

- 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:** Massey Energy Company → No 34; 1976-09-01 to 2011-05-31; source msha-controller-operator-history
- **operator_operates_mine:** Tennessee Consolidated Coal Company → No 34; 1983-03-01 to 1987-09-02; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Tennessee Consolidated Coal Company; 1983-03-01 to 1987-09-02; source msha-controller-operator-history
- **controller_controls_mine:** Thomas Virgil C Et Al → No 34; 1983-12-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Flynn Larry → No 34; 1987-07-29 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Thomas Coal Company Inc → No 34; 1987-09-03 to 1988-02-18; source msha-controller-operator-history
- **controller_controls_operator:** Thomas Virgil C Et Al → Thomas Coal Company Inc; 1987-09-03 to 1988-02-18; source msha-controller-operator-history
- **operator_operates_mine:** B G L Mining Company Inc → No 34; 1988-02-19 to 1992-06-04; source msha-controller-operator-history
- **controller_controls_mine:** Layne Buddy G → No 34; 1988-02-19 to 1992-06-04; source msha-controller-operator-history
- **controller_controls_operator:** Layne Buddy G → B G L Mining Company Inc; 1988-02-19 to 1992-06-04; source msha-controller-operator-history
- **operator_operates_mine:** Lad Mining Inc → No 34; 1992-06-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Flynn Larry → Lad Mining Inc; 1992-06-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → No 34; 2011-06-01 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Tennessee Consolidated Coal Company; 2011-06-01 to 1987-09-02; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources Holdings, Inc → No 34; 2016-07-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources Holdings, Inc → Tennessee Consolidated Coal Company; 2016-07-26 to 1987-09-02; source msha-controller-operator-history