# Relationship history for MSHA mine 0503665

Current hierarchy: **Bettale Kevin → Jumbo Wildcat Resources → Jumbo Mine**

- 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:** Kevin Bettale → Jumbo Mine; 1981-04-01 to 1982-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Bettale Kevin → Jumbo Mine; 1981-04-01 to 1982-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Bettale Kevin → Kevin Bettale; 1981-04-01 to 1982-03-31; source msha-controller-operator-history
- **operator_operates_mine:** Jumbo Limited Partnership → Jumbo Mine; 1982-04-01 to 1986-09-29; source msha-controller-operator-history
- **controller_controls_mine:** Interstate Service Corp Et Al → Jumbo Mine; 1982-04-01 to 1986-09-29; source msha-controller-operator-history
- **controller_controls_operator:** Interstate Service Corp Et Al → Jumbo Limited Partnership; 1982-04-01 to 1986-09-29; source msha-controller-operator-history
- **operator_operates_mine:** Jumbo Wildcat Resources → Jumbo Mine; 1986-09-30 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Bettale Kevin → Jumbo Mine; 1986-09-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bettale Kevin → Jumbo Wildcat Resources; 1986-09-30 to current/open; source msha-controller-operator-history