# Relationship history for MSHA mine 1701205

Current hierarchy: **Philip  Sirois → Ed Pelletier & Sons Co → Van Buren 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

- **controller_controls_mine:** Omer  Pelletier → Van Buren Quarry; 1980-05-01 to 2021-01-04; source msha-controller-operator-history
- **controller_controls_mine:** Ryan  Doucette et al → Van Buren Quarry; 2021-01-05 to 2023-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Philip  Sirois et al → Van Buren Quarry; 2024-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Ed Pelletier & Sons Co → Van Buren Quarry; 2026-08-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ryan  Doucette et al → Ed Pelletier & Sons Co; 2026-08-17 to 2023-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Drew  Blier Et Al → Ed Pelletier & Sons Co; 2026-08-17 to 2023-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Philip  Sirois et al → Ed Pelletier & Sons Co; 2026-08-17 to 2023-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Philip  Sirois et al → Ed Pelletier & Sons Co; 2026-08-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Omer  Pelletier → Ed Pelletier & Sons Co; 2026-08-17 to 2021-01-04; source msha-controller-operator-history