# Relationship history for MSHA mine 4608771

Current hierarchy: **John K  Skidmore → Mountain Haus Properties Inc → No 10 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

- **operator_operates_mine:** Mountain Haus Properties Inc → No 10 Mountain Mine; 1999-04-01 to 1999-11-03; source msha-controller-operator-history
- **operator_operates_mine:** Deskins Contracting → No 10 Mountain Mine; 1999-11-04 to 2001-01-17; source msha-controller-operator-history
- **controller_controls_mine:** Russell  Deskins → No 10 Mountain Mine; 1999-11-04 to 2001-01-17; source msha-controller-operator-history
- **controller_controls_operator:** Russell  Deskins → Deskins Contracting; 1999-11-04 to 2001-01-17; source msha-controller-operator-history
- **controller_controls_mine:** John K  Skidmore → No 10 Mountain Mine; 2001-01-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John K  Skidmore → Mountain Haus Properties Inc; 2001-01-18 to 1999-11-03; source msha-controller-operator-history
- **operator_operates_mine:** Mountain Haus Properties Inc → No 10 Mountain Mine; 2001-01-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John K  Skidmore → Mountain Haus Properties Inc; 2001-01-18 to current/open; source msha-controller-operator-history