# Relationship history for MSHA mine 3604403

Current hierarchy: **Kelli B  Mc Gaughey → M & M LIME COMPANY INCORPORATED → M & M LIME COMPANY INCORPORATED**

- 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:** M & M Lime Company Incorporated → M & M LIME COMPANY INCORPORATED; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Mc Gaughey Bernard F → M & M LIME COMPANY INCORPORATED; 1950-01-01 to 2002-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Mc Gaughey Bernard F → M & M Lime Company Incorporated; 1950-01-01 to 2002-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Kelli B  Mc Gaughey → M & M LIME COMPANY INCORPORATED; 2003-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kelli B  Mc Gaughey → M & M Lime Company Incorporated; 2003-01-01 to current/open; source msha-controller-operator-history