# Relationship history for MSHA mine 3003224

Current hierarchy: **Ted  Kilmer → TED KILMER STONE LLC → MASONVILLE QUARRY**

- 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 Flagstone → MASONVILLE QUARRY; 1998-06-01 to 2021-04-14; source msha-controller-operator-history
- **controller_controls_mine:** Ted  Kilmer → MASONVILLE QUARRY; 1998-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ted  Kilmer → Ted Kilmer Flagstone; 1998-06-01 to 2021-04-14; source msha-controller-operator-history
- **controller_controls_mine:** Ted  Kilmer → MASONVILLE QUARRY; 2015-07-20 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Ted Kilmer Stone LLC → MASONVILLE QUARRY; 2021-04-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ted  Kilmer → Ted Kilmer Stone LLC; 2021-04-15 to current/open; source msha-controller-operator-history