# Relationship history for MSHA mine 0503740

Current hierarchy: **P & G Mining Inc & Inar → Sultan Mountain Mine → Sultan Mountain 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

- **controller_controls_mine:** Peck Richard F → Sultan Mountain Mine; 1981-08-01 to 1988-03-09; source msha-controller-operator-history
- **operator_operates_mine:** Sultan Mountain Mine → Sultan Mountain Mine; 1981-10-01 to 1988-03-09; source msha-controller-operator-history
- **controller_controls_operator:** Peck Richard F → Sultan Mountain Mine; 1981-10-01 to 1988-03-09; source msha-controller-operator-history
- **operator_operates_mine:** Sultan Mountain Mine → Sultan Mountain Mine; 1988-03-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** P & G Mining Inc & Inar → Sultan Mountain Mine; 1988-03-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** P & G Mining Inc & Inar → Sultan Mountain Mine; 1988-03-10 to current/open; source msha-controller-operator-history