# Relationship history for MSHA mine 0404792

Current hierarchy: **Mark  Sutton; Brad  Sutton → Carson Hill Rock Products → Carson Hill Rock Products**

- 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:** Carson Hill Gold Mining Corp → Carson Hill Rock Products; 1986-03-01 to 1997-05-04; source msha-controller-operator-history
- **controller_controls_mine:** Grandview Resources Inc → Carson Hill Rock Products; 1986-03-01 to 1997-05-04; source msha-controller-operator-history
- **controller_controls_operator:** Grandview Resources Inc → Carson Hill Gold Mining Corp; 1986-03-01 to 1997-05-04; source msha-controller-operator-history
- **operator_operates_mine:** Carson Hill Rock Products → Carson Hill Rock Products; 1997-05-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Mark  Sutton  et al → Carson Hill Rock Products; 1997-05-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mark  Sutton  et al → Carson Hill Rock Products; 1997-05-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brad  Sutton  et al → Carson Hill Rock Products; 1997-05-05 to current/open; source msha-controller-operator-history
