# Relationship history for MSHA mine 4300193

Current hierarchy: **Kasuba Paul M & Gladys → P & G Slate → P & G Quarry**

- 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:** Slatetile Company → P & G Quarry; 1950-01-01 to 1979-08-31; source msha-controller-operator-history
- **controller_controls_mine:** Pafundi Lucille → P & G Quarry; 1950-01-01 to 1979-08-31; source msha-controller-operator-history
- **controller_controls_operator:** Pafundi Lucille → Slatetile Company; 1950-01-01 to 1979-08-31; source msha-controller-operator-history
- **operator_operates_mine:** Pafundi Quarry → P & G Quarry; 1979-09-01 to 1996-06-09; source msha-controller-operator-history
- **controller_controls_mine:** Pafundi Gary → P & G Quarry; 1979-09-01 to 1996-06-09; source msha-controller-operator-history
- **controller_controls_operator:** Pafundi Gary → Pafundi Quarry; 1979-09-01 to 1996-06-09; source msha-controller-operator-history
- **operator_operates_mine:** P & G Slate → P & G Quarry; 1996-06-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kasuba Paul M & Gladys → P & G Quarry; 1996-06-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kasuba Paul M & Gladys → P & G Slate; 1996-06-10 to current/open; source msha-controller-operator-history