# Relationship history for MSHA mine 3500430

Current hierarchy: **Lou  Adler → Pacific Cascade Resources Inc → GOBLE 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:** Pete Matiaco Company → GOBLE QUARRY; 1950-01-01 to 1983-07-05; source msha-controller-operator-history
- **controller_controls_mine:** Matiaco Pete → GOBLE QUARRY; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Matiaco Pete → Pete Matiaco Company; 1950-01-01 to 1983-07-05; source msha-controller-operator-history
- **operator_operates_mine:** O & T Rock Products → GOBLE QUARRY; 1983-07-06 to 1991-01-06; source msha-controller-operator-history
- **controller_controls_mine:** B Corry  McFarland → GOBLE QUARRY; 1983-07-06 to 1991-01-06; source msha-controller-operator-history
- **controller_controls_operator:** B Corry  McFarland → O & T Rock Products; 1983-07-06 to 1991-01-06; source msha-controller-operator-history
- **operator_operates_mine:** Pacific Cascade Resources Inc → GOBLE QUARRY; 1991-01-07 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Lou  Adler → GOBLE QUARRY; 1991-01-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lou  Adler → Pacific Cascade Resources Inc; 1991-01-07 to current/open; source msha-controller-operator-history