# Relationship history for MSHA mine 3610162

Current hierarchy: **Ted  Kilmer → Ted Kilmer Stone, LLC → Ted Kilmer Stone, LLC**

- 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:** Ted Kilmer Stone, LLC → Ted Kilmer Stone, LLC; 2015-07-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Ted  Kilmer → Ted Kilmer Stone, LLC; 2015-07-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ted  Kilmer → Ted Kilmer Stone, LLC; 2015-07-20 to current/open; source msha-controller-operator-history
