# Relationship history for MSHA mine 4103874

Current hierarchy: **Green Rodney J & Jack C → Rmr Enterprises → RMR ENTERPRISES**

- 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:** Choctaw Materials → RMR ENTERPRISES; 1995-08-01 to 1997-09-30; source msha-controller-operator-history
- **controller_controls_mine:** Weaver Jonell & Twila Green → RMR ENTERPRISES; 1995-08-01 to 1997-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Weaver Jonell & Twila Green → Choctaw Materials; 1995-08-01 to 1997-09-30; source msha-controller-operator-history
- **operator_operates_mine:** Rmr Enterprises → RMR ENTERPRISES; 1997-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Green Rodney J & Jack C → RMR ENTERPRISES; 1997-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Green Rodney J & Jack C → Rmr Enterprises; 1997-10-01 to current/open; source msha-controller-operator-history