# Relationship history for MSHA mine 0801242

Current hierarchy: **James T  Boutwell → Marion Rock Inc → MARION ROCK, INC.**

- 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:** James T  Boutwell → MARION ROCK, INC.; 1995-06-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Marion Rock Inc → MARION ROCK, INC.; 1996-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James T  Boutwell → Marion Rock Inc; 1996-07-01 to current/open; source msha-controller-operator-history