# Relationship history for MSHA mine 0101409

Current hierarchy: **Welch Lester Sr → Kay Fabe Coal Co → Brown 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:** Welch Lester Sr → Brown Pit; 1975-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Earth Energy Products Inc → Brown Pit; 1975-09-20 to 1976-02-19; source msha-controller-operator-history
- **controller_controls_mine:** Grants R → Brown Pit; 1975-09-20 to 1976-02-19; source msha-controller-operator-history
- **controller_controls_operator:** Grants R → Earth Energy Products Inc; 1975-09-20 to 1976-02-19; source msha-controller-operator-history
- **operator_operates_mine:** Gary L Little & Associates → Brown Pit; 1976-02-20 to 1976-04-30; source msha-controller-operator-history
- **controller_controls_mine:** Little Gary L & Associates → Brown Pit; 1976-02-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Little Gary L & Associates → Gary L Little & Associates; 1976-02-20 to 1976-04-30; source msha-controller-operator-history
- **operator_operates_mine:** Kay Fabe Coal Co → Brown Pit; 1976-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Welch Lester Sr → Kay Fabe Coal Co; 1976-05-01 to current/open; source msha-controller-operator-history