# Relationship history for MSHA mine 3102184

Current hierarchy: **Rachel L Cameron Trust; Jane  Sullivan → 421 Sand Mine LLC → Cameron Pit**

- 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:** Elijah T Morton → Cameron Pit; 1995-04-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Morton Minerals Inc → Cameron Pit; 2002-04-01 to 2013-03-18; source msha-controller-operator-history
- **controller_controls_operator:** Elijah T Morton → Morton Minerals Inc; 2002-04-01 to 2013-03-18; source msha-controller-operator-history
- **operator_operates_mine:** 421 Sand Mine LLC → Cameron Pit; 2013-03-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Rachel L Cameron Trust et al → Cameron Pit; 2013-03-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rachel L Cameron Trust et al → 421 Sand Mine LLC; 2013-03-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jane  Sullivan et al → 421 Sand Mine LLC; 2013-03-19 to current/open; source msha-controller-operator-history
