# Relationship history for MSHA mine 3500006

Current hierarchy: **Craig S  Scoggin; Krista K  Scoggin → C C & S Crushing Inc → PLANT 1**

- 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

- **operator_operates_mine:** Berry Creek Construction Company → PLANT 1; 1950-01-01 to 1978-03-19; source msha-controller-operator-history
- **controller_controls_mine:** Berry Creek Construction Company → PLANT 1; 1950-01-01 to 1978-03-19; source msha-controller-operator-history
- **controller_controls_operator:** Berry Creek Construction Company → Berry Creek Construction Company; 1950-01-01 to 1978-03-19; source msha-controller-operator-history
- **operator_operates_mine:** Ray Wells Inc → PLANT 1; 1978-03-20 to 1990-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Ray  Wells → PLANT 1; 1978-03-20 to 1990-05-31; source msha-controller-operator-history
- **controller_controls_operator:** Ray  Wells → Ray Wells Inc; 1978-03-20 to 1990-05-31; source msha-controller-operator-history
- **operator_operates_mine:** C C & S Crushing Inc → PLANT 1; 1990-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Krista K  Scoggin et al → PLANT 1; 1990-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Krista K  Scoggin et al → C C & S Crushing Inc; 1990-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Craig S  Scoggin et al → C C & S Crushing Inc; 1990-06-01 to current/open; source msha-controller-operator-history