# Relationship history for MSHA mine 0101396

Current hierarchy: **Gagnon Fred M → Southern States Coal Inc → Rattlesnake Pit**

- 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:** Reid Norman → Rattlesnake Pit; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Poe Coal Company → Rattlesnake Pit; 1975-08-25 to 1976-06-21; source msha-controller-operator-history
- **controller_controls_operator:** Reid Norman → Poe Coal Company; 1975-08-25 to 1976-06-21; source msha-controller-operator-history
- **operator_operates_mine:** Southern States Coal Inc → Rattlesnake Pit; 1976-06-22 to 1979-04-30; source msha-controller-operator-history
- **controller_controls_mine:** Haralson Daniel B → Rattlesnake Pit; 1976-06-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Haralson Daniel B → Southern States Coal Inc; 1976-06-22 to 1979-04-30; source msha-controller-operator-history
- **operator_operates_mine:** Southern States Coal Inc → Rattlesnake Pit; 1979-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Gagnon Fred M → Rattlesnake Pit; 1979-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gagnon Fred M → Southern States Coal Inc; 1979-05-01 to current/open; source msha-controller-operator-history