# Relationship history for MSHA mine 3400261

Current hierarchy: **Heatherly John → Heatherly Mining Inc → Haskell Mine #105**

- 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:** Lone Star Steel Company → Haskell Mine #105; 1950-01-01 to 1978-04-13; source msha-controller-operator-history
- **controller_controls_mine:** Dodson Max R → Haskell Mine #105; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dodson Max R → Lone Star Steel Company; 1950-01-01 to 1978-04-13; source msha-controller-operator-history
- **controller_controls_mine:** Higgins Charles L → Haskell Mine #105; 1977-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Southern Materials Inc → Haskell Mine #105; 1978-04-14 to 1979-08-28; source msha-controller-operator-history
- **controller_controls_mine:** Johnson Jack → Haskell Mine #105; 1978-04-14 to 1979-08-28; source msha-controller-operator-history
- **controller_controls_operator:** Johnson Jack → Southern Materials Inc; 1978-04-14 to 1979-08-28; source msha-controller-operator-history
- **operator_operates_mine:** Solar Excavating Inc → Haskell Mine #105; 1979-08-29 to 1980-04-06; source msha-controller-operator-history
- **controller_controls_operator:** Higgins Charles L → Solar Excavating Inc; 1979-08-29 to 1980-04-06; source msha-controller-operator-history
- **operator_operates_mine:** Heatherly Mining Inc → Haskell Mine #105; 1980-04-07 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Heatherly John → Haskell Mine #105; 1980-04-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Heatherly John → Heatherly Mining Inc; 1980-04-07 to current/open; source msha-controller-operator-history