# Relationship history for MSHA mine 3100530

Current hierarchy: **FMC Corp → Fmc - Lithium Division → CHERRYVILLE MINE**

- 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:** Lithium Corp Of America → CHERRYVILLE MINE; 1950-01-01 to 1986-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Gulf USA Corp → CHERRYVILLE MINE; 1950-01-01 to 1986-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Gulf USA Corp → Lithium Corp Of America; 1950-01-01 to 1986-03-31; source msha-controller-operator-history
- **operator_operates_mine:** Fmc - Lithium Division → CHERRYVILLE MINE; 1986-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** FMC Corp → CHERRYVILLE MINE; 1986-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** FMC Corp → Fmc - Lithium Division; 1986-04-01 to current/open; source msha-controller-operator-history