# Relationship history for MSHA mine 1514727

Current hierarchy: **Lane James → Rattler Coal → No 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Wolf Creek Coal Company → No 1; 1984-07-01 to 1985-04-01; source msha-controller-operator-history
- **controller_controls_mine:** Wells Dennis & Raleigh Guice → No 1; 1984-07-01 to 1985-04-01; source msha-controller-operator-history
- **controller_controls_operator:** Wells Dennis & Raleigh Guice → Wolf Creek Coal Company; 1984-07-01 to 1985-04-01; source msha-controller-operator-history
- **operator_operates_mine:** R & D Coal Company → No 1; 1985-04-02 to 1986-10-06; source msha-controller-operator-history
- **controller_controls_mine:** Daugherty Roger--Harold Brock Et Al → No 1; 1985-04-02 to 1986-10-06; source msha-controller-operator-history
- **controller_controls_operator:** Daugherty Roger--Harold Brock Et Al → R & D Coal Company; 1985-04-02 to 1986-10-06; source msha-controller-operator-history
- **operator_operates_mine:** Rattler Coal → No 1; 1986-10-07 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Lane James → No 1; 1986-10-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lane James → Rattler Coal; 1986-10-07 to current/open; source msha-controller-operator-history