# Relationship history for MSHA mine 3700182

Current hierarchy: **Albert  Todesca → Slocum Materials Corp → SLOCUM 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

- **controller_controls_mine:** Joseph A  Forte → SLOCUM PIT; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Forte Brothers Inc → SLOCUM PIT; 1989-04-01 to 1991-03-14; source msha-controller-operator-history
- **controller_controls_operator:** Joseph A  Forte → Forte Brothers Inc; 1989-04-01 to 1991-03-14; source msha-controller-operator-history
- **operator_operates_mine:** Slocum Materials Corp → SLOCUM PIT; 1991-03-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Albert  Todesca → SLOCUM PIT; 1991-03-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Albert  Todesca → Slocum Materials Corp; 1991-03-15 to current/open; source msha-controller-operator-history