# Relationship history for MSHA mine 3605396

Current hierarchy: **Maria  Cantwell; Bonnie R Ryan; Brian R Rich → Reading Anthracite Co. → Peach Mt. Strip**

- 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:** Anthony  Blaschak Jr → Peach Mt. Strip; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** John W  Rich et al → Peach Mt. Strip; 1950-01-01 to 2023-01-17; source msha-controller-operator-history
- **operator_operates_mine:** C L S Coal Corp → Peach Mt. Strip; 1975-01-01 to 1995-11-07; source msha-controller-operator-history
- **controller_controls_operator:** Anthony  Blaschak Jr → C L S Coal Corp; 1975-01-01 to 1995-11-07; source msha-controller-operator-history
- **controller_controls_mine:** Brian R  Rich → Peach Mt. Strip; 1986-01-14 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Continental Cogeneration Corp (CCC) et al → Peach Mt. Strip; 1987-09-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Continental Energy Associates Lp → Peach Mt. Strip; 1995-11-08 to 1998-05-31; source msha-controller-operator-history
- **controller_controls_operator:** Continental Cogeneration Corp (CCC) et al → Continental Energy Associates Lp; 1995-11-08 to 1998-05-31; source msha-controller-operator-history
- **operator_operates_mine:** Schuylkill Reclamation Corp → Peach Mt. Strip; 1998-06-01 to 2004-03-30; source msha-controller-operator-history
- **controller_controls_operator:** Brian R  Rich → Schuylkill Reclamation Corp; 1998-06-01 to 2004-03-30; source msha-controller-operator-history
- **operator_operates_mine:** Reading Anthracite Co. → Peach Mt. Strip; 2004-03-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John W  Rich et al → Reading Anthracite Co.; 2004-03-31 to 2023-01-17; source msha-controller-operator-history
- **controller_controls_mine:** Maria  Cantwell et al → Peach Mt. Strip; 2023-01-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Maria  Cantwell et al → Reading Anthracite Co.; 2023-01-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bonnie R Ryan et al → Reading Anthracite Co.; 2023-01-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brian R Rich et al → Reading Anthracite Co.; 2023-01-18 to current/open; source msha-controller-operator-history