# Relationship history for MSHA mine 4200066

Current hierarchy: **Roger R Peck; Melissa A Peck → RAM-X  Inc. → Clay Pits**

- 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:** Thomas J Peck & Sons Inc → Clay Pits; 1950-01-01 to 1986-11-10; source msha-controller-operator-history
- **controller_controls_mine:** Anthony T Peck → Clay Pits; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Anthony T Peck → Thomas J Peck & Sons Inc; 1950-01-01 to 1986-11-10; source msha-controller-operator-history
- **controller_controls_mine:** Harvey  Cahoon → Clay Pits; 1986-11-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Interstate Brick Company → Clay Pits; 1986-11-11 to 2001-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Harvey  Cahoon → Interstate Brick Company; 1986-11-11 to 2001-06-30; source msha-controller-operator-history
- **operator_operates_mine:** Thomas J Peck & Sons Inc → Clay Pits; 2001-07-01 to 2017-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Anthony T Peck → Thomas J Peck & Sons Inc; 2001-07-01 to 2017-12-31; source msha-controller-operator-history
- **operator_operates_mine:** RAM-X  Inc. → Clay Pits; 2018-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Roger R Peck et al → Clay Pits; 2018-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Roger R Peck et al → RAM-X  Inc.; 2018-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Melissa A Peck et al → RAM-X  Inc.; 2018-01-01 to current/open; source msha-controller-operator-history