# Relationship history for MSHA mine 2103316

Current hierarchy: **Frank M  Frattalone → Frattalone Companies Inc → Cedar Rapids Jaw Plant (830001)**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** F M Frattalone Excavating & Grading Inc → Cedar Rapids Jaw Plant (830001); 2002-04-29 to 2003-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Frank M  Frattalone → Cedar Rapids Jaw Plant (830001); 2002-04-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Frank M  Frattalone → F M Frattalone Excavating & Grading Inc; 2002-04-29 to 2003-12-31; source msha-controller-operator-history
- **operator_operates_mine:** FRA-DOR, INC → Cedar Rapids Jaw Plant (830001); 2004-01-01 to 2008-08-14; source msha-controller-operator-history
- **controller_controls_mine:** Frank M  Frattalone → Cedar Rapids Jaw Plant (830001); 2004-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Frank M  Frattalone → FRA-DOR, INC; 2004-01-01 to 2008-08-14; source msha-controller-operator-history
- **controller_controls_mine:** Frank M  Frattalone → Cedar Rapids Jaw Plant (830001); 2008-05-19 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Frattalone Companies Inc → Cedar Rapids Jaw Plant (830001); 2008-08-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Frank M  Frattalone → Frattalone Companies Inc; 2008-08-15 to current/open; source msha-controller-operator-history