# Relationship history for MSHA mine 4605210

Current hierarchy: **Dunn Leslie R → Donna Trucking Inc → Mine #1**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** James E  Hatfield et al → Mine #1; 1973-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Brown Coal Company → Mine #1; 1976-06-01 to 1977-11-15; source msha-controller-operator-history
- **controller_controls_mine:** Brown Eugene → Mine #1; 1976-06-01 to 1977-11-15; source msha-controller-operator-history
- **controller_controls_operator:** Brown Eugene → Brown Coal Company; 1976-06-01 to 1977-11-15; source msha-controller-operator-history
- **operator_operates_mine:** Brown Coal Company → Mine #1; 1977-11-16 to 1978-04-02; source msha-controller-operator-history
- **controller_controls_mine:** Compton Lucky D → Mine #1; 1977-11-16 to 1978-04-02; source msha-controller-operator-history
- **controller_controls_operator:** Compton Lucky D → Brown Coal Company; 1977-11-16 to 1978-04-02; source msha-controller-operator-history
- **operator_operates_mine:** Big Eagle Coal Company → Mine #1; 1978-04-03 to 1979-05-07; source msha-controller-operator-history
- **controller_controls_operator:** James E  Hatfield et al → Big Eagle Coal Company; 1978-04-03 to 1979-05-07; source msha-controller-operator-history
- **controller_controls_operator:** Richard T  Hatfield et al → Big Eagle Coal Company; 1978-04-03 to 1979-05-07; source msha-controller-operator-history
- **operator_operates_mine:** Donna Trucking Inc → Mine #1; 1979-05-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Dunn Leslie R → Mine #1; 1979-05-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dunn Leslie R → Donna Trucking Inc; 1979-05-08 to current/open; source msha-controller-operator-history