# Relationship history for MSHA mine 0100115

Current hierarchy: **G Geoff  Dunlap → RAGLAND CLAY PRODUCTS,LLC → RAGLAND**

- 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:** Ragland Brick Company → RAGLAND; 1950-01-01 to 1984-02-28; source msha-controller-operator-history
- **controller_controls_mine:** Ragland Brick Company → RAGLAND; 1950-01-01 to 1984-02-28; source msha-controller-operator-history
- **controller_controls_operator:** Ragland Brick Company → Ragland Brick Company; 1950-01-01 to 1984-02-28; source msha-controller-operator-history
- **operator_operates_mine:** Ragland Brick & Tile Company → RAGLAND; 1984-02-29 to 1996-11-07; source msha-controller-operator-history
- **controller_controls_mine:** Multico Inc → RAGLAND; 1984-02-29 to 1996-11-07; source msha-controller-operator-history
- **controller_controls_operator:** Multico Inc → Ragland Brick & Tile Company; 1984-02-29 to 1996-11-07; source msha-controller-operator-history
- **operator_operates_mine:** Ragland Clay Products,LLC → RAGLAND; 1996-11-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** G Geoff  Dunlap → RAGLAND; 1996-11-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** G Geoff  Dunlap → Ragland Clay Products,LLC; 1996-11-08 to current/open; source msha-controller-operator-history