# Relationship history for MSHA mine 3000983

Current hierarchy: **Joseph Charles Tesiero; John A Tesiero III → Cranesville Aggregate Companies Inc → MAPLE AVE PIT**

- 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:** Twin Cities Sand & Gravel Company Inc → MAPLE AVE PIT; 1950-01-01 to 1994-04-30; source msha-controller-operator-history
- **controller_controls_mine:** Sylvester W  Santos → MAPLE AVE PIT; 1950-01-01 to 1994-04-30; source msha-controller-operator-history
- **controller_controls_operator:** Sylvester W  Santos → Twin Cities Sand & Gravel Company Inc; 1950-01-01 to 1994-04-30; source msha-controller-operator-history
- **controller_controls_mine:** John A Tesiero III et al → MAPLE AVE PIT; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Cranesville Aggregate Companies Inc → MAPLE AVE PIT; 1994-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John A Tesiero III et al → Cranesville Aggregate Companies Inc; 1994-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joseph Charles Tesiero et al → Cranesville Aggregate Companies Inc; 1994-05-01 to current/open; source msha-controller-operator-history