# Relationship history for MSHA mine 1901114

Current hierarchy: **RON J CINCOTTA; RICHARD J  CINCOTTA → R.J. CINCOTTA CO. INC. → PORTABLE CRUSHER**

- 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:** R.J. CINCOTTA CO. INC. → PORTABLE CRUSHER; 2002-04-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** RON J CINCOTTA  ET AL → PORTABLE CRUSHER; 2002-04-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** RON J CINCOTTA  ET AL → R.J. CINCOTTA CO. INC.; 2002-04-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** RICHARD J  CINCOTTA  ET AL → R.J. CINCOTTA CO. INC.; 2002-04-15 to current/open; source msha-controller-operator-history