# Relationship history for MSHA mine 2800967

Current hierarchy: **William  Mc Near → Mc Near Excavating → MCNEAR MOUNTAIN**

- 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:** E S C Stone Products Inc → MCNEAR MOUNTAIN; 1984-05-01 to 1992-02-18; source msha-controller-operator-history
- **controller_controls_mine:** John S  Gilham → MCNEAR MOUNTAIN; 1984-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John S  Gilham → E S C Stone Products Inc; 1984-05-01 to 1992-02-18; source msha-controller-operator-history
- **operator_operates_mine:** Mc Near Excavating → MCNEAR MOUNTAIN; 1992-02-19 to 1994-01-03; source msha-controller-operator-history
- **controller_controls_mine:** William  Mc Near → MCNEAR MOUNTAIN; 1992-02-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** William  Mc Near → Mc Near Excavating; 1992-02-19 to 1994-01-03; source msha-controller-operator-history
- **controller_controls_mine:** Brian L  Carpenter → MCNEAR MOUNTAIN; 1994-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** M & M Stone Company New Jersey → MCNEAR MOUNTAIN; 1994-01-04 to 1996-07-07; source msha-controller-operator-history
- **controller_controls_operator:** Brian L  Carpenter → M & M Stone Company New Jersey; 1994-01-04 to 1996-07-07; source msha-controller-operator-history
- **operator_operates_mine:** Mc Near Excavating → MCNEAR MOUNTAIN; 1996-07-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** William  Mc Near → Mc Near Excavating; 1996-07-08 to current/open; source msha-controller-operator-history
