# Relationship history for MSHA mine 2300221

Current hierarchy: **Jomico LLC → MISSOURI LIME → MISSOURI LIME**

- 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:** Allied-Signal Inc → MISSOURI LIME; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Resco Products Inc → MISSOURI LIME; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Valley Mineral Products Corp → MISSOURI LIME; 1950-01-01 to 1980-02-29; source msha-controller-operator-history
- **controller_controls_mine:** Henry P  Day → MISSOURI LIME; 1950-01-01 to 1980-02-29; source msha-controller-operator-history
- **controller_controls_operator:** Henry P  Day → Valley Mineral Products Corp; 1950-01-01 to 1980-02-29; source msha-controller-operator-history
- **operator_operates_mine:** North American Refractories Company Inc → MISSOURI LIME; 1980-03-01 to 1983-07-17; source msha-controller-operator-history
- **controller_controls_operator:** Allied-Signal Inc → North American Refractories Company Inc; 1980-03-01 to 1983-07-17; source msha-controller-operator-history
- **operator_operates_mine:** Resco Products Inc → MISSOURI LIME; 1983-07-18 to 1996-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Resco Products Inc → Resco Products Inc; 1983-07-18 to 1996-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Vessell Mineral Products Corp → MISSOURI LIME; 1997-01-01 to 2004-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Royce  Vessell → MISSOURI LIME; 1997-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Royce  Vessell → Vessell Mineral Products Corp; 1997-01-01 to 2004-06-30; source msha-controller-operator-history
- **operator_operates_mine:** VESSELL MINERALS/THE OLD DOL' → MISSOURI LIME; 2004-07-01 to 2007-10-21; source msha-controller-operator-history
- **controller_controls_mine:** Royce  Vessell → MISSOURI LIME; 2004-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Royce  Vessell → VESSELL MINERALS/THE OLD DOL'; 2004-07-01 to 2007-10-21; source msha-controller-operator-history
- **operator_operates_mine:** MISSOURI LIME → MISSOURI LIME; 2007-10-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jomico LLC → MISSOURI LIME; 2007-10-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jomico LLC → MISSOURI LIME; 2007-10-22 to current/open; source msha-controller-operator-history