# Relationship history for MSHA mine 3001712

Current hierarchy: **Joseph Charles Tesiero; John A Tesiero III → Cranesville Aggregate → Philmont**

- 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:** Columbia Sand & Gravel Inc → Philmont; 1950-01-01 to 1979-04-30; source msha-controller-operator-history
- **controller_controls_mine:** Columbia Sand & Gravel Inc → Philmont; 1950-01-01 to 1979-04-30; source msha-controller-operator-history
- **controller_controls_operator:** Columbia Sand & Gravel Inc → Columbia Sand & Gravel Inc; 1950-01-01 to 1979-04-30; source msha-controller-operator-history
- **controller_controls_mine:** Joseph Charles Tesiero et al → Philmont; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Quality Aggregates Inc → Philmont; 1979-05-01 to 1990-06-18; source msha-controller-operator-history
- **controller_controls_mine:** William  Weigelt → Philmont; 1979-05-01 to 1990-06-18; source msha-controller-operator-history
- **controller_controls_operator:** William  Weigelt → Quality Aggregates Inc; 1979-05-01 to 1990-06-18; source msha-controller-operator-history
- **controller_controls_mine:** John A  Tesiero Jr → Philmont; 1987-10-01 to 2016-10-05; source msha-controller-operator-history
- **operator_operates_mine:** Quality Aggregates Inc → Philmont; 1990-06-19 to 1995-10-22; source msha-controller-operator-history
- **controller_controls_mine:** Clark  Ede → Philmont; 1990-06-19 to 1995-10-22; source msha-controller-operator-history
- **controller_controls_operator:** Clark  Ede → Quality Aggregates Inc; 1990-06-19 to 1995-10-22; source msha-controller-operator-history
- **operator_operates_mine:** Cranesville Block Company → Philmont; 1995-10-23 to 2002-05-28; source msha-controller-operator-history
- **controller_controls_operator:** John A  Tesiero Jr → Cranesville Block Company; 1995-10-23 to 2002-05-28; source msha-controller-operator-history
- **operator_operates_mine:** Cranesville-Quality Aggregates Co. Inc. → Philmont; 2002-05-29 to 2003-05-01; source msha-controller-operator-history
- **controller_controls_mine:** John A  Tesiero Jr → Philmont; 2002-05-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John A  Tesiero Jr → Cranesville-Quality Aggregates Co. Inc.; 2002-05-29 to 2003-05-01; source msha-controller-operator-history
- **operator_operates_mine:** Cranesville Aggregate → Philmont; 2003-05-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joseph Charles Tesiero et al → Cranesville Aggregate; 2003-05-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John A Tesiero III et al → Cranesville Aggregate; 2003-05-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Joseph Charles Tesiero et al → Philmont; 2016-10-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joseph Charles Tesiero et al → Cranesville Block Company; 2016-10-06 to 2002-05-28; source msha-controller-operator-history
- **controller_controls_operator:** John A Tesiero III et al → Cranesville Block Company; 2016-10-06 to 2002-05-28; source msha-controller-operator-history