# Relationship history for MSHA mine 4608874

Current hierarchy: **James River Coal Company → Rockhouse Creek Development Corp → No 2 Deep 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:** International Industries Inc → No 2 Deep Mine; 1999-06-01 to 2007-07-15; source msha-controller-operator-history
- **operator_operates_mine:** Rockhouse Creek Development Corp → No 2 Deep Mine; 2001-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** International Industries Inc → Rockhouse Creek Development Corp; 2001-01-01 to 2007-07-15; source msha-controller-operator-history
- **controller_controls_mine:** International Resources LLC → No 2 Deep Mine; 2007-07-16 to 2011-04-17; source msha-controller-operator-history
- **controller_controls_operator:** International Resources LLC → Rockhouse Creek Development Corp; 2007-07-16 to 2011-04-17; source msha-controller-operator-history
- **controller_controls_mine:** James River Coal Company → No 2 Deep Mine; 2011-04-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James River Coal Company → Rockhouse Creek Development Corp; 2011-04-18 to current/open; source msha-controller-operator-history